Home / 18,402,472.60-27,605,021.10-5,622,956.80

Finding the Fourth Proportional to 18,402,472.60, 27,605,021.10 and 5,622,956.80

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Solution

The fourth proportional to 18,402,472.60, 27,605,021.10 and 5,622,956.80 is: 8,434,836.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,402,472.60 : 27,605,021.10 = 5,622,956.80 : x
  2. Step 2: Convert to fraction form
    18,402,472.60/27,605,021.10 = 5,622,956.80/x
  3. Step 3: Cross multiply
    18,402,472.60x = 27,605,021.10 × 5,622,956.80
  4. Step 4: Simplify right side
    18,402,472.60x = 155,221,841,108,388.47
  5. Step 5: Solve for x
    x = 155,221,841,108,388.47/18,402,472.60
  6. Step 6: Final answer
    x = 8,434,836.15

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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.