Home / 10,260,097.10-15,382,369.65-5,215,028.30

Finding the Fourth Proportional to 10,260,097.10, 15,382,369.65 and 5,215,028.30

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Solution

The fourth proportional to 10,260,097.10, 15,382,369.65 and 5,215,028.30 is: 7,818,590.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,260,097.10 : 15,382,369.65 = 5,215,028.30 : x
  2. Step 2: Convert to fraction form
    10,260,097.10/15,382,369.65 = 5,215,028.30/x
  3. Step 3: Cross multiply
    10,260,097.10x = 15,382,369.65 × 5,215,028.30
  4. Step 4: Simplify right side
    10,260,097.10x = 80,219,493,045,811.09
  5. Step 5: Solve for x
    x = 80,219,493,045,811.09/10,260,097.10
  6. Step 6: Final answer
    x = 7,818,590.04

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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.