Home / 28,842,755.76-39,829,983.12-18,547,366.32

Finding the Fourth Proportional to 28,842,755.76, 39,829,983.12 and 18,547,366.32

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Solution

The fourth proportional to 28,842,755.76, 39,829,983.12 and 18,547,366.32 is: 25,612,715.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,842,755.76 : 39,829,983.12 = 18,547,366.32 : x
  2. Step 2: Convert to fraction form
    28,842,755.76/39,829,983.12 = 18,547,366.32/x
  3. Step 3: Cross multiply
    28,842,755.76x = 39,829,983.12 × 18,547,366.32
  4. Step 4: Simplify right side
    28,842,755.76x = 738,741,287,446,056.50
  5. Step 5: Solve for x
    x = 738,741,287,446,056.50/28,842,755.76
  6. Step 6: Final answer
    x = 25,612,715.15

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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.