Home / 10,288,072.40-15,428,956.44-7,113,598.16

Finding the Fourth Proportional to 10,288,072.40, 15,428,956.44 and 7,113,598.16

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Solution

The fourth proportional to 10,288,072.40, 15,428,956.44 and 7,113,598.16 is: 10,668,217.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,288,072.40 : 15,428,956.44 = 7,113,598.16 : x
  2. Step 2: Convert to fraction form
    10,288,072.40/15,428,956.44 = 7,113,598.16/x
  3. Step 3: Cross multiply
    10,288,072.40x = 15,428,956.44 × 7,113,598.16
  4. Step 4: Simplify right side
    10,288,072.40x = 109,755,396,142,304.16
  5. Step 5: Solve for x
    x = 109,755,396,142,304.16/10,288,072.40
  6. Step 6: Final answer
    x = 10,668,217.71

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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.