Home / 29,101,545.60-43,652,318.40-20,031,619.20

Finding the Fourth Proportional to 29,101,545.60, 43,652,318.40 and 20,031,619.20

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Solution

The fourth proportional to 29,101,545.60, 43,652,318.40 and 20,031,619.20 is: 30,047,428.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,101,545.60 : 43,652,318.40 = 20,031,619.20 : x
  2. Step 2: Convert to fraction form
    29,101,545.60/43,652,318.40 = 20,031,619.20/x
  3. Step 3: Cross multiply
    29,101,545.60x = 43,652,318.40 × 20,031,619.20
  4. Step 4: Simplify right side
    29,101,545.60x = 874,426,619,385,953.25
  5. Step 5: Solve for x
    x = 874,426,619,385,953.25/29,101,545.60
  6. Step 6: Final answer
    x = 30,047,428.80

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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.