Home / 20,223,005.60-30,334,508.40-19,278,221.60

Finding the Fourth Proportional to 20,223,005.60, 30,334,508.40 and 19,278,221.60

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Solution

The fourth proportional to 20,223,005.60, 30,334,508.40 and 19,278,221.60 is: 28,917,332.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,223,005.60 : 30,334,508.40 = 19,278,221.60 : x
  2. Step 2: Convert to fraction form
    20,223,005.60/30,334,508.40 = 19,278,221.60/x
  3. Step 3: Cross multiply
    20,223,005.60x = 30,334,508.40 × 19,278,221.60
  4. Step 4: Simplify right side
    20,223,005.60x = 584,795,375,062,261.50
  5. Step 5: Solve for x
    x = 584,795,375,062,261.50/20,223,005.60
  6. Step 6: Final answer
    x = 28,917,332.40

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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.