Home / 10,264,591.92-15,379,886.09-7,217,068.38

Finding the Fourth Proportional to 10,264,591.92, 15,379,886.09 and 7,217,068.38

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Solution

The fourth proportional to 10,264,591.92, 15,379,886.09 and 7,217,068.38 is: 10,813,648.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,264,591.92 : 15,379,886.09 = 7,217,068.38 : x
  2. Step 2: Convert to fraction form
    10,264,591.92/15,379,886.09 = 7,217,068.38/x
  3. Step 3: Cross multiply
    10,264,591.92x = 15,379,886.09 × 7,217,068.38
  4. Step 4: Simplify right side
    10,264,591.92x = 110,997,689,552,055.50
  5. Step 5: Solve for x
    x = 110,997,689,552,055.50/10,264,591.92
  6. Step 6: Final answer
    x = 10,813,648.55

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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.