Home / 9,216,385.11-12,719,332.85-5,087,236.16

Finding the Fourth Proportional to 9,216,385.11, 12,719,332.85 and 5,087,236.16

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Solution

The fourth proportional to 9,216,385.11, 12,719,332.85 and 5,087,236.16 is: 7,020,784.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,216,385.11 : 12,719,332.85 = 5,087,236.16 : x
  2. Step 2: Convert to fraction form
    9,216,385.11/12,719,332.85 = 5,087,236.16/x
  3. Step 3: Cross multiply
    9,216,385.11x = 12,719,332.85 × 5,087,236.16
  4. Step 4: Simplify right side
    9,216,385.11x = 64,706,250,011,958.01
  5. Step 5: Solve for x
    x = 64,706,250,011,958.01/9,216,385.11
  6. Step 6: Final answer
    x = 7,020,784.10

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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.