Home / 8,747,232.60-13,120,848.90-5,370,490.20

Finding the Fourth Proportional to 8,747,232.60, 13,120,848.90 and 5,370,490.20

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Solution

The fourth proportional to 8,747,232.60, 13,120,848.90 and 5,370,490.20 is: 8,055,735.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,747,232.60 : 13,120,848.90 = 5,370,490.20 : x
  2. Step 2: Convert to fraction form
    8,747,232.60/13,120,848.90 = 5,370,490.20/x
  3. Step 3: Cross multiply
    8,747,232.60x = 13,120,848.90 × 5,370,490.20
  4. Step 4: Simplify right side
    8,747,232.60x = 70,465,390,433,130.78
  5. Step 5: Solve for x
    x = 70,465,390,433,130.78/8,747,232.60
  6. Step 6: Final answer
    x = 8,055,735.30

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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.