Home / 19,490,019.20-29,172,043.20-15,206,998.40

Finding the Fourth Proportional to 19,490,019.20, 29,172,043.20 and 15,206,998.40

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Solution

The fourth proportional to 19,490,019.20, 29,172,043.20 and 15,206,998.40 is: 22,761,353.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,490,019.20 : 29,172,043.20 = 15,206,998.40 : x
  2. Step 2: Convert to fraction form
    19,490,019.20/29,172,043.20 = 15,206,998.40/x
  3. Step 3: Cross multiply
    19,490,019.20x = 29,172,043.20 × 15,206,998.40
  4. Step 4: Simplify right side
    19,490,019.20x = 443,619,214,267,130.88
  5. Step 5: Solve for x
    x = 443,619,214,267,130.88/19,490,019.20
  6. Step 6: Final answer
    x = 22,761,353.37

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1.5x scale

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.