Home / 15,100,220.16-20,832,117.12-8,572,435.20

Finding the Fourth Proportional to 15,100,220.16, 20,832,117.12 and 8,572,435.20

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Solution

The fourth proportional to 15,100,220.16, 20,832,117.12 and 8,572,435.20 is: 11,826,448.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,100,220.16 : 20,832,117.12 = 8,572,435.20 : x
  2. Step 2: Convert to fraction form
    15,100,220.16/20,832,117.12 = 8,572,435.20/x
  3. Step 3: Cross multiply
    15,100,220.16x = 20,832,117.12 × 8,572,435.20
  4. Step 4: Simplify right side
    15,100,220.16x = 178,581,974,090,010.62
  5. Step 5: Solve for x
    x = 178,581,974,090,010.62/15,100,220.16
  6. Step 6: Final answer
    x = 11,826,448.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.