Home / 22,357,822.40-33,536,733.60-7,981,359.20

Finding the Fourth Proportional to 22,357,822.40, 33,536,733.60 and 7,981,359.20

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Solution

The fourth proportional to 22,357,822.40, 33,536,733.60 and 7,981,359.20 is: 11,972,038.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,357,822.40 : 33,536,733.60 = 7,981,359.20 : x
  2. Step 2: Convert to fraction form
    22,357,822.40/33,536,733.60 = 7,981,359.20/x
  3. Step 3: Cross multiply
    22,357,822.40x = 33,536,733.60 × 7,981,359.20
  4. Step 4: Simplify right side
    22,357,822.40x = 267,668,717,256,309.12
  5. Step 5: Solve for x
    x = 267,668,717,256,309.12/22,357,822.40
  6. Step 6: Final answer
    x = 11,972,038.80

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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.