Home / 8,853,223.60-12,217,282.68-5,415,212.08

Finding the Fourth Proportional to 8,853,223.60, 12,217,282.68 and 5,415,212.08

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Solution

The fourth proportional to 8,853,223.60, 12,217,282.68 and 5,415,212.08 is: 7,472,891.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,853,223.60 : 12,217,282.68 = 5,415,212.08 : x
  2. Step 2: Convert to fraction form
    8,853,223.60/12,217,282.68 = 5,415,212.08/x
  3. Step 3: Cross multiply
    8,853,223.60x = 12,217,282.68 × 5,415,212.08
  4. Step 4: Simplify right side
    8,853,223.60x = 66,159,176,753,510.77
  5. Step 5: Solve for x
    x = 66,159,176,753,510.77/8,853,223.60
  6. Step 6: Final answer
    x = 7,472,891.20

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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.