Home / 9,960,245.80-14,940,368.70-9,109,940.20

Finding the Fourth Proportional to 9,960,245.80, 14,940,368.70 and 9,109,940.20

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Solution

The fourth proportional to 9,960,245.80, 14,940,368.70 and 9,109,940.20 is: 13,664,910.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,960,245.80 : 14,940,368.70 = 9,109,940.20 : x
  2. Step 2: Convert to fraction form
    9,960,245.80/14,940,368.70 = 9,109,940.20/x
  3. Step 3: Cross multiply
    9,960,245.80x = 14,940,368.70 × 9,109,940.20
  4. Step 4: Simplify right side
    9,960,245.80x = 136,105,865,422,951.72
  5. Step 5: Solve for x
    x = 136,105,865,422,951.72/9,960,245.80
  6. Step 6: Final answer
    x = 13,664,910.30

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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.