Home / 6,720,362.10-10,080,543.15-3,886,010.10

Finding the Fourth Proportional to 6,720,362.10, 10,080,543.15 and 3,886,010.10

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Solution

The fourth proportional to 6,720,362.10, 10,080,543.15 and 3,886,010.10 is: 5,829,015.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,720,362.10 : 10,080,543.15 = 3,886,010.10 : x
  2. Step 2: Convert to fraction form
    6,720,362.10/10,080,543.15 = 3,886,010.10/x
  3. Step 3: Cross multiply
    6,720,362.10x = 10,080,543.15 × 3,886,010.10
  4. Step 4: Simplify right side
    6,720,362.10x = 39,173,092,494,385.82
  5. Step 5: Solve for x
    x = 39,173,092,494,385.82/6,720,362.10
  6. Step 6: Final answer
    x = 5,829,015.15

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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.