Home / 18,689,384.12-25,791,301.68-10,429,359.62

Finding the Fourth Proportional to 18,689,384.12, 25,791,301.68 and 10,429,359.62

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Solution

The fourth proportional to 18,689,384.12, 25,791,301.68 and 10,429,359.62 is: 14,392,489.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,689,384.12 : 25,791,301.68 = 10,429,359.62 : x
  2. Step 2: Convert to fraction form
    18,689,384.12/25,791,301.68 = 10,429,359.62/x
  3. Step 3: Cross multiply
    18,689,384.12x = 25,791,301.68 × 10,429,359.62
  4. Step 4: Simplify right side
    18,689,384.12x = 268,986,760,288,630.12
  5. Step 5: Solve for x
    x = 268,986,760,288,630.12/18,689,384.12
  6. Step 6: Final answer
    x = 14,392,489.26

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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.