Home / 8,088,220.80-12,132,331.20-7,472,361.60

Finding the Fourth Proportional to 8,088,220.80, 12,132,331.20 and 7,472,361.60

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Solution

The fourth proportional to 8,088,220.80, 12,132,331.20 and 7,472,361.60 is: 11,208,542.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,088,220.80 : 12,132,331.20 = 7,472,361.60 : x
  2. Step 2: Convert to fraction form
    8,088,220.80/12,132,331.20 = 7,472,361.60/x
  3. Step 3: Cross multiply
    8,088,220.80x = 12,132,331.20 × 7,472,361.60
  4. Step 4: Simplify right side
    8,088,220.80x = 90,657,165,777,361.91
  5. Step 5: Solve for x
    x = 90,657,165,777,361.91/8,088,220.80
  6. Step 6: Final answer
    x = 11,208,542.40

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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.