Home / 20,186,117.40-30,279,176.10-9,424,437.15

Finding the Fourth Proportional to 20,186,117.40, 30,279,176.10 and 9,424,437.15

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Solution

The fourth proportional to 20,186,117.40, 30,279,176.10 and 9,424,437.15 is: 14,136,655.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,186,117.40 : 30,279,176.10 = 9,424,437.15 : x
  2. Step 2: Convert to fraction form
    20,186,117.40/30,279,176.10 = 9,424,437.15/x
  3. Step 3: Cross multiply
    20,186,117.40x = 30,279,176.10 × 9,424,437.15
  4. Step 4: Simplify right side
    20,186,117.40x = 285,364,192,108,232.12
  5. Step 5: Solve for x
    x = 285,364,192,108,232.12/20,186,117.40
  6. Step 6: Final answer
    x = 14,136,655.73

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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.