Home / 28,190,463.62-38,903,909.18-15,800,786.03

Finding the Fourth Proportional to 28,190,463.62, 38,903,909.18 and 15,800,786.03

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Solution

The fourth proportional to 28,190,463.62, 38,903,909.18 and 15,800,786.03 is: 21,805,684.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,190,463.62 : 38,903,909.18 = 15,800,786.03 : x
  2. Step 2: Convert to fraction form
    28,190,463.62/38,903,909.18 = 15,800,786.03/x
  3. Step 3: Cross multiply
    28,190,463.62x = 38,903,909.18 × 15,800,786.03
  4. Step 4: Simplify right side
    28,190,463.62x = 614,712,344,701,988.62
  5. Step 5: Solve for x
    x = 614,712,344,701,988.62/28,190,463.62
  6. Step 6: Final answer
    x = 21,805,684.12

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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.