Home / 7,775,998.10-11,663,997.15-4,927,649.30

Finding the Fourth Proportional to 7,775,998.10, 11,663,997.15 and 4,927,649.30

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Solution

The fourth proportional to 7,775,998.10, 11,663,997.15 and 4,927,649.30 is: 7,391,473.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,775,998.10 : 11,663,997.15 = 4,927,649.30 : x
  2. Step 2: Convert to fraction form
    7,775,998.10/11,663,997.15 = 4,927,649.30/x
  3. Step 3: Cross multiply
    7,775,998.10x = 11,663,997.15 × 4,927,649.30
  4. Step 4: Simplify right side
    7,775,998.10x = 57,476,087,391,399.49
  5. Step 5: Solve for x
    x = 57,476,087,391,399.49/7,775,998.10
  6. Step 6: Final answer
    x = 7,391,473.95

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Double scale
Find fourth proportional to 7,775,999.10, 11,663,998.65 and 4,927,650.30
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.