Home / 10,347,780.20-15,521,670.30-9,568,333.40

Finding the Fourth Proportional to 10,347,780.20, 15,521,670.30 and 9,568,333.40

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Solution

The fourth proportional to 10,347,780.20, 15,521,670.30 and 9,568,333.40 is: 14,352,500.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,347,780.20 : 15,521,670.30 = 9,568,333.40 : x
  2. Step 2: Convert to fraction form
    10,347,780.20/15,521,670.30 = 9,568,333.40/x
  3. Step 3: Cross multiply
    10,347,780.20x = 15,521,670.30 × 9,568,333.40
  4. Step 4: Simplify right side
    10,347,780.20x = 148,516,516,355,278.03
  5. Step 5: Solve for x
    x = 148,516,516,355,278.03/10,347,780.20
  6. Step 6: Final answer
    x = 14,352,500.10

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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.