Home / 13,357,981.38-18,434,049.42-7,246,409.88

Finding the Fourth Proportional to 13,357,981.38, 18,434,049.42 and 7,246,409.88

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Solution

The fourth proportional to 13,357,981.38, 18,434,049.42 and 7,246,409.88 is: 10,000,064.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,357,981.38 : 18,434,049.42 = 7,246,409.88 : x
  2. Step 2: Convert to fraction form
    13,357,981.38/18,434,049.42 = 7,246,409.88/x
  3. Step 3: Cross multiply
    13,357,981.38x = 18,434,049.42 × 7,246,409.88
  4. Step 4: Simplify right side
    13,357,981.38x = 133,580,677,845,496.28
  5. Step 5: Solve for x
    x = 133,580,677,845,496.28/13,357,981.38
  6. Step 6: Final answer
    x = 10,000,064.68

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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.