Home / 10,890,704.80-16,336,057.20-9,397,712.80

Finding the Fourth Proportional to 10,890,704.80, 16,336,057.20 and 9,397,712.80

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Solution

The fourth proportional to 10,890,704.80, 16,336,057.20 and 9,397,712.80 is: 14,096,569.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,890,704.80 : 16,336,057.20 = 9,397,712.80 : x
  2. Step 2: Convert to fraction form
    10,890,704.80/16,336,057.20 = 9,397,712.80/x
  3. Step 3: Cross multiply
    10,890,704.80x = 16,336,057.20 × 9,397,712.80
  4. Step 4: Simplify right side
    10,890,704.80x = 153,521,573,849,972.16
  5. Step 5: Solve for x
    x = 153,521,573,849,972.16/10,890,704.80
  6. Step 6: Final answer
    x = 14,096,569.20

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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.