Home / 9,960,438.80-14,940,658.20-9,110,133.20

Finding the Fourth Proportional to 9,960,438.80, 14,940,658.20 and 9,110,133.20

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Solution

The fourth proportional to 9,960,438.80, 14,940,658.20 and 9,110,133.20 is: 13,665,199.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,960,438.80 : 14,940,658.20 = 9,110,133.20 : x
  2. Step 2: Convert to fraction form
    9,960,438.80/14,940,658.20 = 9,110,133.20/x
  3. Step 3: Cross multiply
    9,960,438.80x = 14,940,658.20 × 9,110,133.20
  4. Step 4: Simplify right side
    9,960,438.80x = 136,111,386,297,672.22
  5. Step 5: Solve for x
    x = 136,111,386,297,672.22/9,960,438.80
  6. Step 6: Final answer
    x = 13,665,199.80

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Similar ratio
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1.5x scale

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.