Home / 28,518,418.14-42,766,887.61-10,318,113.91

Finding the Fourth Proportional to 28,518,418.14, 42,766,887.61 and 10,318,113.91

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Solution

The fourth proportional to 28,518,418.14, 42,766,887.61 and 10,318,113.91 is: 15,473,285.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,518,418.14 : 42,766,887.61 = 10,318,113.91 : x
  2. Step 2: Convert to fraction form
    28,518,418.14/42,766,887.61 = 10,318,113.91/x
  3. Step 3: Cross multiply
    28,518,418.14x = 42,766,887.61 × 10,318,113.91
  4. Step 4: Simplify right side
    28,518,418.14x = 441,273,617,936,147.62
  5. Step 5: Solve for x
    x = 441,273,617,936,147.62/28,518,418.14
  6. Step 6: Final answer
    x = 15,473,285.22

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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.