Home / 9,168,619.20-13,752,928.80-8,384,798.40

Finding the Fourth Proportional to 9,168,619.20, 13,752,928.80 and 8,384,798.40

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Solution

The fourth proportional to 9,168,619.20, 13,752,928.80 and 8,384,798.40 is: 12,577,197.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,168,619.20 : 13,752,928.80 = 8,384,798.40 : x
  2. Step 2: Convert to fraction form
    9,168,619.20/13,752,928.80 = 8,384,798.40/x
  3. Step 3: Cross multiply
    9,168,619.20x = 13,752,928.80 × 8,384,798.40
  4. Step 4: Simplify right side
    9,168,619.20x = 115,315,535,397,553.94
  5. Step 5: Solve for x
    x = 115,315,535,397,553.94/9,168,619.20
  6. Step 6: Final answer
    x = 12,577,197.60

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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.