Home / 12,948,348.03-17,868,722.01-7,147,131.87

Finding the Fourth Proportional to 12,948,348.03, 17,868,722.01 and 7,147,131.87

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Solution

The fourth proportional to 12,948,348.03, 17,868,722.01 and 7,147,131.87 is: 9,863,042.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,948,348.03 : 17,868,722.01 = 7,147,131.87 : x
  2. Step 2: Convert to fraction form
    12,948,348.03/17,868,722.01 = 7,147,131.87/x
  3. Step 3: Cross multiply
    12,948,348.03x = 17,868,722.01 × 7,147,131.87
  4. Step 4: Simplify right side
    12,948,348.03x = 127,710,112,553,841.47
  5. Step 5: Solve for x
    x = 127,710,112,553,841.47/12,948,348.03
  6. Step 6: Final answer
    x = 9,863,042.93

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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.