Home / 12,948,465.15-17,868,882.87-7,147,248.39

Finding the Fourth Proportional to 12,948,465.15, 17,868,882.87 and 7,147,248.39

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Solution

The fourth proportional to 12,948,465.15, 17,868,882.87 and 7,147,248.39 is: 9,863,203.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,948,465.15 : 17,868,882.87 = 7,147,248.39 : x
  2. Step 2: Convert to fraction form
    12,948,465.15/17,868,882.87 = 7,147,248.39/x
  3. Step 3: Cross multiply
    12,948,465.15x = 17,868,882.87 × 7,147,248.39
  4. Step 4: Simplify right side
    12,948,465.15x = 127,713,344,323,706.08
  5. Step 5: Solve for x
    x = 127,713,344,323,706.08/12,948,465.15
  6. Step 6: Final answer
    x = 9,863,203.31

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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.