Home / 11,235,089.76-15,520,296.24-8,940,314.40

Finding the Fourth Proportional to 11,235,089.76, 15,520,296.24 and 8,940,314.40

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Solution

The fourth proportional to 11,235,089.76, 15,520,296.24 and 8,940,314.40 is: 12,350,264.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,235,089.76 : 15,520,296.24 = 8,940,314.40 : x
  2. Step 2: Convert to fraction form
    11,235,089.76/15,520,296.24 = 8,940,314.40/x
  3. Step 3: Cross multiply
    11,235,089.76x = 15,520,296.24 × 8,940,314.40
  4. Step 4: Simplify right side
    11,235,089.76x = 138,756,327,966,737.86
  5. Step 5: Solve for x
    x = 138,756,327,966,737.86/11,235,089.76
  6. Step 6: Final answer
    x = 12,350,264.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.