Home / 7,777,504.10-11,666,256.15-3,289,780.10

Finding the Fourth Proportional to 7,777,504.10, 11,666,256.15 and 3,289,780.10

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Solution

The fourth proportional to 7,777,504.10, 11,666,256.15 and 3,289,780.10 is: 4,934,670.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,777,504.10 : 11,666,256.15 = 3,289,780.10 : x
  2. Step 2: Convert to fraction form
    7,777,504.10/11,666,256.15 = 3,289,780.10/x
  3. Step 3: Cross multiply
    7,777,504.10x = 11,666,256.15 × 3,289,780.10
  4. Step 4: Simplify right side
    7,777,504.10x = 38,379,417,323,772.62
  5. Step 5: Solve for x
    x = 38,379,417,323,772.62/7,777,504.10
  6. Step 6: Final answer
    x = 4,934,670.15

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Double scale
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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.