Home / 15,342,333.61-21,172,377.08-8,466,766.47

Finding the Fourth Proportional to 15,342,333.61, 21,172,377.08 and 8,466,766.47

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Solution

The fourth proportional to 15,342,333.61, 21,172,377.08 and 8,466,766.47 is: 11,684,113.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,342,333.61 : 21,172,377.08 = 8,466,766.47 : x
  2. Step 2: Convert to fraction form
    15,342,333.61/21,172,377.08 = 8,466,766.47/x
  3. Step 3: Cross multiply
    15,342,333.61x = 21,172,377.08 × 8,466,766.47
  4. Step 4: Simplify right side
    15,342,333.61x = 179,261,572,351,140.50
  5. Step 5: Solve for x
    x = 179,261,572,351,140.50/15,342,333.61
  6. Step 6: Final answer
    x = 11,684,113.83

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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.