Home / 13,165,239.52-18,169,711.20-7,364,343.52

Finding the Fourth Proportional to 13,165,239.52, 18,169,711.20 and 7,364,343.52

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Solution

The fourth proportional to 13,165,239.52, 18,169,711.20 and 7,364,343.52 is: 10,163,734.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,165,239.52 : 18,169,711.20 = 7,364,343.52 : x
  2. Step 2: Convert to fraction form
    13,165,239.52/18,169,711.20 = 7,364,343.52/x
  3. Step 3: Cross multiply
    13,165,239.52x = 18,169,711.20 × 7,364,343.52
  4. Step 4: Simplify right side
    13,165,239.52x = 133,807,994,935,991.41
  5. Step 5: Solve for x
    x = 133,807,994,935,991.41/13,165,239.52
  6. Step 6: Final answer
    x = 10,163,734.18

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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.