Home / 20,016,644.40-30,024,966.60-13,202,389.80

Finding the Fourth Proportional to 20,016,644.40, 30,024,966.60 and 13,202,389.80

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Solution

The fourth proportional to 20,016,644.40, 30,024,966.60 and 13,202,389.80 is: 19,803,584.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,016,644.40 : 30,024,966.60 = 13,202,389.80 : x
  2. Step 2: Convert to fraction form
    20,016,644.40/30,024,966.60 = 13,202,389.80/x
  3. Step 3: Cross multiply
    20,016,644.40x = 30,024,966.60 × 13,202,389.80
  4. Step 4: Simplify right side
    20,016,644.40x = 396,401,312,785,180.75
  5. Step 5: Solve for x
    x = 396,401,312,785,180.75/20,016,644.40
  6. Step 6: Final answer
    x = 19,803,584.70

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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.