Home / 9,148,725.12-12,625,122.87-5,228,437.08

Finding the Fourth Proportional to 9,148,725.12, 12,625,122.87 and 5,228,437.08

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Solution

The fourth proportional to 9,148,725.12, 12,625,122.87 and 5,228,437.08 is: 7,215,175.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,148,725.12 : 12,625,122.87 = 5,228,437.08 : x
  2. Step 2: Convert to fraction form
    9,148,725.12/12,625,122.87 = 5,228,437.08/x
  3. Step 3: Cross multiply
    9,148,725.12x = 12,625,122.87 × 5,228,437.08
  4. Step 4: Simplify right side
    9,148,725.12x = 66,009,660,553,064.02
  5. Step 5: Solve for x
    x = 66,009,660,553,064.02/9,148,725.12
  6. Step 6: Final answer
    x = 7,215,175.85

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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.