Home / 28,767,732.75-39,700,248.66-17,172,022.50

Finding the Fourth Proportional to 28,767,732.75, 39,700,248.66 and 17,172,022.50

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Solution

The fourth proportional to 28,767,732.75, 39,700,248.66 and 17,172,022.50 is: 23,697,855.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,767,732.75 : 39,700,248.66 = 17,172,022.50 : x
  2. Step 2: Convert to fraction form
    28,767,732.75/39,700,248.66 = 17,172,022.50/x
  3. Step 3: Cross multiply
    28,767,732.75x = 39,700,248.66 × 17,172,022.50
  4. Step 4: Simplify right side
    28,767,732.75x = 681,733,563,245,114.75
  5. Step 5: Solve for x
    x = 681,733,563,245,114.75/28,767,732.75
  6. Step 6: Final answer
    x = 23,697,855.13

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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.