Home / 20,732,630.06-31,098,945.10-13,193,020.46

Finding the Fourth Proportional to 20,732,630.06, 31,098,945.10 and 13,193,020.46

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Solution

The fourth proportional to 20,732,630.06, 31,098,945.10 and 13,193,020.46 is: 19,789,530.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,732,630.06 : 31,098,945.10 = 13,193,020.46 : x
  2. Step 2: Convert to fraction form
    20,732,630.06/31,098,945.10 = 13,193,020.46/x
  3. Step 3: Cross multiply
    20,732,630.06x = 31,098,945.10 × 13,193,020.46
  4. Step 4: Simplify right side
    20,732,630.06x = 410,289,018,988,716.81
  5. Step 5: Solve for x
    x = 410,289,018,988,716.81/20,732,630.06
  6. Step 6: Final answer
    x = 19,789,530.70

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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.