Home / 9,339,095.13-12,887,917.95-5,209,123.02

Finding the Fourth Proportional to 9,339,095.13, 12,887,917.95 and 5,209,123.02

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Solution

The fourth proportional to 9,339,095.13, 12,887,917.95 and 5,209,123.02 is: 7,188,571.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,339,095.13 : 12,887,917.95 = 5,209,123.02 : x
  2. Step 2: Convert to fraction form
    9,339,095.13/12,887,917.95 = 5,209,123.02/x
  3. Step 3: Cross multiply
    9,339,095.13x = 12,887,917.95 × 5,209,123.02
  4. Step 4: Simplify right side
    9,339,095.13x = 67,134,750,073,216.20
  5. Step 5: Solve for x
    x = 67,134,750,073,216.20/9,339,095.13
  6. Step 6: Final answer
    x = 7,188,571.18

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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.