Home / 9,235,919.52-12,746,134.88-5,161,863.84

Finding the Fourth Proportional to 9,235,919.52, 12,746,134.88 and 5,161,863.84

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Solution

The fourth proportional to 9,235,919.52, 12,746,134.88 and 5,161,863.84 is: 7,123,688.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,235,919.52 : 12,746,134.88 = 5,161,863.84 : x
  2. Step 2: Convert to fraction form
    9,235,919.52/12,746,134.88 = 5,161,863.84/x
  3. Step 3: Cross multiply
    9,235,919.52x = 12,746,134.88 × 5,161,863.84
  4. Step 4: Simplify right side
    9,235,919.52x = 65,793,812,736,834.74
  5. Step 5: Solve for x
    x = 65,793,812,736,834.74/9,235,919.52
  6. Step 6: Final answer
    x = 7,123,688.40

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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.