Home / 15,382,731.83-21,225,811.87-8,855,099.98

Finding the Fourth Proportional to 15,382,731.83, 21,225,811.87 and 8,855,099.98

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Solution

The fourth proportional to 15,382,731.83, 21,225,811.87 and 8,855,099.98 is: 12,218,680.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,382,731.83 : 21,225,811.87 = 8,855,099.98 : x
  2. Step 2: Convert to fraction form
    15,382,731.83/21,225,811.87 = 8,855,099.98/x
  3. Step 3: Cross multiply
    15,382,731.83x = 21,225,811.87 × 8,855,099.98
  4. Step 4: Simplify right side
    15,382,731.83x = 187,956,686,265,520.78
  5. Step 5: Solve for x
    x = 187,956,686,265,520.78/15,382,731.83
  6. Step 6: Final answer
    x = 12,218,680.55

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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.