Home / 22,257,079.20-33,385,618.80-9,478,875.60

Finding the Fourth Proportional to 22,257,079.20, 33,385,618.80 and 9,478,875.60

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Solution

The fourth proportional to 22,257,079.20, 33,385,618.80 and 9,478,875.60 is: 14,218,313.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,257,079.20 : 33,385,618.80 = 9,478,875.60 : x
  2. Step 2: Convert to fraction form
    22,257,079.20/33,385,618.80 = 9,478,875.60/x
  3. Step 3: Cross multiply
    22,257,079.20x = 33,385,618.80 × 9,478,875.60
  4. Step 4: Simplify right side
    22,257,079.20x = 316,458,127,434,221.25
  5. Step 5: Solve for x
    x = 316,458,127,434,221.25/22,257,079.20
  6. Step 6: Final answer
    x = 14,218,313.40

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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.