Home / 10,328,915.80-15,474,711.30-8,835,923.80

Finding the Fourth Proportional to 10,328,915.80, 15,474,711.30 and 8,835,923.80

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Solution

The fourth proportional to 10,328,915.80, 15,474,711.30 and 8,835,923.80 is: 13,237,920.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,328,915.80 : 15,474,711.30 = 8,835,923.80 : x
  2. Step 2: Convert to fraction form
    10,328,915.80/15,474,711.30 = 8,835,923.80/x
  3. Step 3: Cross multiply
    10,328,915.80x = 15,474,711.30 × 8,835,923.80
  4. Step 4: Simplify right side
    10,328,915.80x = 136,733,369,873,798.95
  5. Step 5: Solve for x
    x = 136,733,369,873,798.95/10,328,915.80
  6. Step 6: Final answer
    x = 13,237,920.85

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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.