Home / 42,418,566.08-63,539,568.84-26,989,426.88

Finding the Fourth Proportional to 42,418,566.08, 63,539,568.84 and 26,989,426.88

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Solution

The fourth proportional to 42,418,566.08, 63,539,568.84 and 26,989,426.88 is: 40,427,970.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,418,566.08 : 63,539,568.84 = 26,989,426.88 : x
  2. Step 2: Convert to fraction form
    42,418,566.08/63,539,568.84 = 26,989,426.88/x
  3. Step 3: Cross multiply
    42,418,566.08x = 63,539,568.84 × 26,989,426.88
  4. Step 4: Simplify right side
    42,418,566.08x = 1,714,896,547,193,906.50
  5. Step 5: Solve for x
    x = 1,714,896,547,193,906.50/42,418,566.08
  6. Step 6: Final answer
    x = 40,427,970.71

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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.