Home / 8,859,615.20-13,289,422.80-8,691,653.60

Finding the Fourth Proportional to 8,859,615.20, 13,289,422.80 and 8,691,653.60

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Solution

The fourth proportional to 8,859,615.20, 13,289,422.80 and 8,691,653.60 is: 13,037,480.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,859,615.20 : 13,289,422.80 = 8,691,653.60 : x
  2. Step 2: Convert to fraction form
    8,859,615.20/13,289,422.80 = 8,691,653.60/x
  3. Step 3: Cross multiply
    8,859,615.20x = 13,289,422.80 × 8,691,653.60
  4. Step 4: Simplify right side
    8,859,615.20x = 115,507,059,521,542.08
  5. Step 5: Solve for x
    x = 115,507,059,521,542.08/8,859,615.20
  6. Step 6: Final answer
    x = 13,037,480.40

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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.