Home / 9,291,265.30-13,936,897.95-7,378,077.70

Finding the Fourth Proportional to 9,291,265.30, 13,936,897.95 and 7,378,077.70

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Solution

The fourth proportional to 9,291,265.30, 13,936,897.95 and 7,378,077.70 is: 11,067,116.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,291,265.30 : 13,936,897.95 = 7,378,077.70 : x
  2. Step 2: Convert to fraction form
    9,291,265.30/13,936,897.95 = 7,378,077.70/x
  3. Step 3: Cross multiply
    9,291,265.30x = 13,936,897.95 × 7,378,077.70
  4. Step 4: Simplify right side
    9,291,265.30x = 102,827,515,972,070.72
  5. Step 5: Solve for x
    x = 102,827,515,972,070.72/9,291,265.30
  6. Step 6: Final answer
    x = 11,067,116.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.