Home / 22,909,073.92-31,615,120.56-12,455,793.28

Finding the Fourth Proportional to 22,909,073.92, 31,615,120.56 and 12,455,793.28

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Solution

The fourth proportional to 22,909,073.92, 31,615,120.56 and 12,455,793.28 is: 17,189,320.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,909,073.92 : 31,615,120.56 = 12,455,793.28 : x
  2. Step 2: Convert to fraction form
    22,909,073.92/31,615,120.56 = 12,455,793.28/x
  3. Step 3: Cross multiply
    22,909,073.92x = 31,615,120.56 × 12,455,793.28
  4. Step 4: Simplify right side
    22,909,073.92x = 393,791,406,217,637.81
  5. Step 5: Solve for x
    x = 393,791,406,217,637.81/22,909,073.92
  6. Step 6: Final answer
    x = 17,189,320.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.