Home / 10,361,680.70-15,542,521.05-9,731,306.30

Finding the Fourth Proportional to 10,361,680.70, 15,542,521.05 and 9,731,306.30

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Solution

The fourth proportional to 10,361,680.70, 15,542,521.05 and 9,731,306.30 is: 14,596,959.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,361,680.70 : 15,542,521.05 = 9,731,306.30 : x
  2. Step 2: Convert to fraction form
    10,361,680.70/15,542,521.05 = 9,731,306.30/x
  3. Step 3: Cross multiply
    10,361,680.70x = 15,542,521.05 × 9,731,306.30
  4. Step 4: Simplify right side
    10,361,680.70x = 151,249,033,011,747.62
  5. Step 5: Solve for x
    x = 151,249,033,011,747.62/10,361,680.70
  6. Step 6: Final answer
    x = 14,596,959.45

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Double scale
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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.