Home / 25,642,301.60-38,430,793.20-10,479,101.60

Finding the Fourth Proportional to 25,642,301.60, 38,430,793.20 and 10,479,101.60

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Solution

The fourth proportional to 25,642,301.60, 38,430,793.20 and 10,479,101.60 is: 15,705,305.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,642,301.60 : 38,430,793.20 = 10,479,101.60 : x
  2. Step 2: Convert to fraction form
    25,642,301.60/38,430,793.20 = 10,479,101.60/x
  3. Step 3: Cross multiply
    25,642,301.60x = 38,430,793.20 × 10,479,101.60
  4. Step 4: Simplify right side
    25,642,301.60x = 402,720,186,511,389.12
  5. Step 5: Solve for x
    x = 402,720,186,511,389.12/25,642,301.60
  6. Step 6: Final answer
    x = 15,705,305.74

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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.