Home / 7,488,254.40-11,232,381.60-7,338,955.20

Finding the Fourth Proportional to 7,488,254.40, 11,232,381.60 and 7,338,955.20

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Solution

The fourth proportional to 7,488,254.40, 11,232,381.60 and 7,338,955.20 is: 11,008,432.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,488,254.40 : 11,232,381.60 = 7,338,955.20 : x
  2. Step 2: Convert to fraction form
    7,488,254.40/11,232,381.60 = 7,338,955.20/x
  3. Step 3: Cross multiply
    7,488,254.40x = 11,232,381.60 × 7,338,955.20
  4. Step 4: Simplify right side
    7,488,254.40x = 82,433,945,351,704.31
  5. Step 5: Solve for x
    x = 82,433,945,351,704.31/7,488,254.40
  6. Step 6: Final answer
    x = 11,008,432.80

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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.