Home / 28,533,517.59-39,376,352.69-15,480,834.56

Finding the Fourth Proportional to 28,533,517.59, 39,376,352.69 and 15,480,834.56

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Solution

The fourth proportional to 28,533,517.59, 39,376,352.69 and 15,480,834.56 is: 21,363,605.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,533,517.59 : 39,376,352.69 = 15,480,834.56 : x
  2. Step 2: Convert to fraction form
    28,533,517.59/39,376,352.69 = 15,480,834.56/x
  3. Step 3: Cross multiply
    28,533,517.59x = 39,376,352.69 × 15,480,834.56
  4. Step 4: Simplify right side
    28,533,517.59x = 609,578,801,588,609.12
  5. Step 5: Solve for x
    x = 609,578,801,588,609.12/28,533,517.59
  6. Step 6: Final answer
    x = 21,363,605.09

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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.