Home / 18,621,089.71-25,693,252.59-10,884,635.53

Finding the Fourth Proportional to 18,621,089.71, 25,693,252.59 and 10,884,635.53

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Solution

The fourth proportional to 18,621,089.71, 25,693,252.59 and 10,884,635.53 is: 15,018,545.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,621,089.71 : 25,693,252.59 = 10,884,635.53 : x
  2. Step 2: Convert to fraction form
    18,621,089.71/25,693,252.59 = 10,884,635.53/x
  3. Step 3: Cross multiply
    18,621,089.71x = 25,693,252.59 × 10,884,635.53
  4. Step 4: Simplify right side
    18,621,089.71x = 279,661,690,022,378.50
  5. Step 5: Solve for x
    x = 279,661,690,022,378.50/18,621,089.71
  6. Step 6: Final answer
    x = 15,018,545.87

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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.