Home / 8,073,729.20-12,110,593.80-7,758,801.20

Finding the Fourth Proportional to 8,073,729.20, 12,110,593.80 and 7,758,801.20

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Solution

The fourth proportional to 8,073,729.20, 12,110,593.80 and 7,758,801.20 is: 11,638,201.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,073,729.20 : 12,110,593.80 = 7,758,801.20 : x
  2. Step 2: Convert to fraction form
    8,073,729.20/12,110,593.80 = 7,758,801.20/x
  3. Step 3: Cross multiply
    8,073,729.20x = 12,110,593.80 × 7,758,801.20
  4. Step 4: Simplify right side
    8,073,729.20x = 93,963,689,708,152.56
  5. Step 5: Solve for x
    x = 93,963,689,708,152.56/8,073,729.20
  6. Step 6: Final answer
    x = 11,638,201.80

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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.