Home / 9,281,853.73-12,808,759.68-5,151,644.11

Finding the Fourth Proportional to 9,281,853.73, 12,808,759.68 and 5,151,644.11

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Solution

The fourth proportional to 9,281,853.73, 12,808,759.68 and 5,151,644.11 is: 7,109,158.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,281,853.73 : 12,808,759.68 = 5,151,644.11 : x
  2. Step 2: Convert to fraction form
    9,281,853.73/12,808,759.68 = 5,151,644.11/x
  3. Step 3: Cross multiply
    9,281,853.73x = 12,808,759.68 × 5,151,644.11
  4. Step 4: Simplify right side
    9,281,853.73x = 65,986,171,361,877.48
  5. Step 5: Solve for x
    x = 65,986,171,361,877.48/9,281,853.73
  6. Step 6: Final answer
    x = 7,109,158.72

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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.