Home / 7,338,956.20-11,008,434.30-6,866,564.20

Finding the Fourth Proportional to 7,338,956.20, 11,008,434.30 and 6,866,564.20

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Solution

The fourth proportional to 7,338,956.20, 11,008,434.30 and 6,866,564.20 is: 10,299,846.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,338,956.20 : 11,008,434.30 = 6,866,564.20 : x
  2. Step 2: Convert to fraction form
    7,338,956.20/11,008,434.30 = 6,866,564.20/x
  3. Step 3: Cross multiply
    7,338,956.20x = 11,008,434.30 × 6,866,564.20
  4. Step 4: Simplify right side
    7,338,956.20x = 75,590,120,862,432.06
  5. Step 5: Solve for x
    x = 75,590,120,862,432.06/7,338,956.20
  6. Step 6: Final answer
    x = 10,299,846.30

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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.