Home / 19,490,600.40-29,235,900.60-13,443,982.80

Finding the Fourth Proportional to 19,490,600.40, 29,235,900.60 and 13,443,982.80

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Solution

The fourth proportional to 19,490,600.40, 29,235,900.60 and 13,443,982.80 is: 20,165,974.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,490,600.40 : 29,235,900.60 = 13,443,982.80 : x
  2. Step 2: Convert to fraction form
    19,490,600.40/29,235,900.60 = 13,443,982.80/x
  3. Step 3: Cross multiply
    19,490,600.40x = 29,235,900.60 × 13,443,982.80
  4. Step 4: Simplify right side
    19,490,600.40x = 393,046,944,808,909.75
  5. Step 5: Solve for x
    x = 393,046,944,808,909.75/19,490,600.40
  6. Step 6: Final answer
    x = 20,165,974.20

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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.