Home / 8,201,943.40-12,302,915.10-7,729,551.40

Finding the Fourth Proportional to 8,201,943.40, 12,302,915.10 and 7,729,551.40

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Solution

The fourth proportional to 8,201,943.40, 12,302,915.10 and 7,729,551.40 is: 11,594,327.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,201,943.40 : 12,302,915.10 = 7,729,551.40 : x
  2. Step 2: Convert to fraction form
    8,201,943.40/12,302,915.10 = 7,729,551.40/x
  3. Step 3: Cross multiply
    8,201,943.40x = 12,302,915.10 × 7,729,551.40
  4. Step 4: Simplify right side
    8,201,943.40x = 95,096,014,635,286.14
  5. Step 5: Solve for x
    x = 95,096,014,635,286.14/8,201,943.40
  6. Step 6: Final answer
    x = 11,594,327.10

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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.