Home / 10,405,167.32-15,613,463.28-5,288,038.52

Finding the Fourth Proportional to 10,405,167.32, 15,613,463.28 and 5,288,038.52

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Solution

The fourth proportional to 10,405,167.32, 15,613,463.28 and 5,288,038.52 is: 7,934,960.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,405,167.32 : 15,613,463.28 = 5,288,038.52 : x
  2. Step 2: Convert to fraction form
    10,405,167.32/15,613,463.28 = 5,288,038.52/x
  3. Step 3: Cross multiply
    10,405,167.32x = 15,613,463.28 × 5,288,038.52
  4. Step 4: Simplify right side
    10,405,167.32x = 82,564,595,255,245.53
  5. Step 5: Solve for x
    x = 82,564,595,255,245.53/10,405,167.32
  6. Step 6: Final answer
    x = 7,934,960.84

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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.