Home / 22,572,179.91-31,151,529.43-12,784,365.29

Finding the Fourth Proportional to 22,572,179.91, 31,151,529.43 and 12,784,365.29

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Solution

The fourth proportional to 22,572,179.91, 31,151,529.43 and 12,784,365.29 is: 17,643,512.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,572,179.91 : 31,151,529.43 = 12,784,365.29 : x
  2. Step 2: Convert to fraction form
    22,572,179.91/31,151,529.43 = 12,784,365.29/x
  3. Step 3: Cross multiply
    22,572,179.91x = 31,151,529.43 × 12,784,365.29
  4. Step 4: Simplify right side
    22,572,179.91x = 398,252,531,621,223.38
  5. Step 5: Solve for x
    x = 398,252,531,621,223.38/22,572,179.91
  6. Step 6: Final answer
    x = 17,643,512.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.