Home / 7,442,845.92-11,157,527.90-5,169,443.76

Finding the Fourth Proportional to 7,442,845.92, 11,157,527.90 and 5,169,443.76

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Solution

The fourth proportional to 7,442,845.92, 11,157,527.90 and 5,169,443.76 is: 7,749,483.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,442,845.92 : 11,157,527.90 = 5,169,443.76 : x
  2. Step 2: Convert to fraction form
    7,442,845.92/11,157,527.90 = 5,169,443.76/x
  3. Step 3: Cross multiply
    7,442,845.92x = 11,157,527.90 × 5,169,443.76
  4. Step 4: Simplify right side
    7,442,845.92x = 57,678,212,979,680.91
  5. Step 5: Solve for x
    x = 57,678,212,979,680.91/7,442,845.92
  6. Step 6: Final answer
    x = 7,749,483.68

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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.