Home / 22,128,390.60-33,192,585.90-21,171,796.80

Finding the Fourth Proportional to 22,128,390.60, 33,192,585.90 and 21,171,796.80

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Solution

The fourth proportional to 22,128,390.60, 33,192,585.90 and 21,171,796.80 is: 31,757,695.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,128,390.60 : 33,192,585.90 = 21,171,796.80 : x
  2. Step 2: Convert to fraction form
    22,128,390.60/33,192,585.90 = 21,171,796.80/x
  3. Step 3: Cross multiply
    22,128,390.60x = 33,192,585.90 × 21,171,796.80
  4. Step 4: Simplify right side
    22,128,390.60x = 702,746,683,941,345.12
  5. Step 5: Solve for x
    x = 702,746,683,941,345.12/22,128,390.60
  6. Step 6: Final answer
    x = 31,757,695.20

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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.