Home / 13,345,264.62-18,412,932.98-7,836,878.66

Finding the Fourth Proportional to 13,345,264.62, 18,412,932.98 and 7,836,878.66

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Solution

The fourth proportional to 13,345,264.62, 18,412,932.98 and 7,836,878.66 is: 10,812,818.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,345,264.62 : 18,412,932.98 = 7,836,878.66 : x
  2. Step 2: Convert to fraction form
    13,345,264.62/18,412,932.98 = 7,836,878.66/x
  3. Step 3: Cross multiply
    13,345,264.62x = 18,412,932.98 × 7,836,878.66
  4. Step 4: Simplify right side
    13,345,264.62x = 144,299,921,538,972.22
  5. Step 5: Solve for x
    x = 144,299,921,538,972.22/13,345,264.62
  6. Step 6: Final answer
    x = 10,812,818.30

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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.