Home / 15,913,490.82-23,870,402.90-12,738,797.88

Finding the Fourth Proportional to 15,913,490.82, 23,870,402.90 and 12,738,797.88

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Solution

The fourth proportional to 15,913,490.82, 23,870,402.90 and 12,738,797.88 is: 19,108,330.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,913,490.82 : 23,870,402.90 = 12,738,797.88 : x
  2. Step 2: Convert to fraction form
    15,913,490.82/23,870,402.90 = 12,738,797.88/x
  3. Step 3: Cross multiply
    15,913,490.82x = 23,870,402.90 × 12,738,797.88
  4. Step 4: Simplify right side
    15,913,490.82x = 304,080,237,857,265.88
  5. Step 5: Solve for x
    x = 304,080,237,857,265.88/15,913,490.82
  6. Step 6: Final answer
    x = 19,108,330.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.