Home / 13,141,080.45-18,134,498.03-7,339,946.85

Finding the Fourth Proportional to 13,141,080.45, 18,134,498.03 and 7,339,946.85

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Solution

The fourth proportional to 13,141,080.45, 18,134,498.03 and 7,339,946.85 is: 10,129,018.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,141,080.45 : 18,134,498.03 = 7,339,946.85 : x
  2. Step 2: Convert to fraction form
    13,141,080.45/18,134,498.03 = 7,339,946.85/x
  3. Step 3: Cross multiply
    13,141,080.45x = 18,134,498.03 × 7,339,946.85
  4. Step 4: Simplify right side
    13,141,080.45x = 133,106,251,654,929.95
  5. Step 5: Solve for x
    x = 133,106,251,654,929.95/13,141,080.45
  6. Step 6: Final answer
    x = 10,129,018.86

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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.