Home / 42,702,547.20-63,966,729.60-26,478,700.80

Finding the Fourth Proportional to 42,702,547.20, 63,966,729.60 and 26,478,700.80

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Solution

The fourth proportional to 42,702,547.20, 63,966,729.60 and 26,478,700.80 is: 39,664,048.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,702,547.20 : 63,966,729.60 = 26,478,700.80 : x
  2. Step 2: Convert to fraction form
    42,702,547.20/63,966,729.60 = 26,478,700.80/x
  3. Step 3: Cross multiply
    42,702,547.20x = 63,966,729.60 × 26,478,700.80
  4. Step 4: Simplify right side
    42,702,547.20x = 1,693,755,894,232,903.75
  5. Step 5: Solve for x
    x = 1,693,755,894,232,903.75/42,702,547.20
  6. Step 6: Final answer
    x = 39,664,048.29

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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.