Home / 7,443,013.80-11,164,520.70-5,553,445.80

Finding the Fourth Proportional to 7,443,013.80, 11,164,520.70 and 5,553,445.80

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Solution

The fourth proportional to 7,443,013.80, 11,164,520.70 and 5,553,445.80 is: 8,330,168.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,443,013.80 : 11,164,520.70 = 5,553,445.80 : x
  2. Step 2: Convert to fraction form
    7,443,013.80/11,164,520.70 = 5,553,445.80/x
  3. Step 3: Cross multiply
    7,443,013.80x = 11,164,520.70 × 5,553,445.80
  4. Step 4: Simplify right side
    7,443,013.80x = 62,001,560,590,428.05
  5. Step 5: Solve for x
    x = 62,001,560,590,428.05/7,443,013.80
  6. Step 6: Final answer
    x = 8,330,168.70

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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.