Home / 19,864,687.80-29,797,031.70-18,748,661.70

Finding the Fourth Proportional to 19,864,687.80, 29,797,031.70 and 18,748,661.70

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Solution

The fourth proportional to 19,864,687.80, 29,797,031.70 and 18,748,661.70 is: 28,122,992.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,864,687.80 : 29,797,031.70 = 18,748,661.70 : x
  2. Step 2: Convert to fraction form
    19,864,687.80/29,797,031.70 = 18,748,661.70/x
  3. Step 3: Cross multiply
    19,864,687.80x = 29,797,031.70 × 18,748,661.70
  4. Step 4: Simplify right side
    19,864,687.80x = 558,654,467,007,475.88
  5. Step 5: Solve for x
    x = 558,654,467,007,475.88/19,864,687.80
  6. Step 6: Final answer
    x = 28,122,992.55

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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.