Home / 10,306,055.10-15,459,082.65-5,771,091.90

Finding the Fourth Proportional to 10,306,055.10, 15,459,082.65 and 5,771,091.90

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Solution

The fourth proportional to 10,306,055.10, 15,459,082.65 and 5,771,091.90 is: 8,656,637.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,306,055.10 : 15,459,082.65 = 5,771,091.90 : x
  2. Step 2: Convert to fraction form
    10,306,055.10/15,459,082.65 = 5,771,091.90/x
  3. Step 3: Cross multiply
    10,306,055.10x = 15,459,082.65 × 5,771,091.90
  4. Step 4: Simplify right side
    10,306,055.10x = 89,215,786,662,845.55
  5. Step 5: Solve for x
    x = 89,215,786,662,845.55/10,306,055.10
  6. Step 6: Final answer
    x = 8,656,637.85

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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.