Home / 23,150,821.43-31,920,204.13-20,005,465.75

Finding the Fourth Proportional to 23,150,821.43, 31,920,204.13 and 20,005,465.75

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Solution

The fourth proportional to 23,150,821.43, 31,920,204.13 and 20,005,465.75 is: 27,583,407.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,150,821.43 : 31,920,204.13 = 20,005,465.75 : x
  2. Step 2: Convert to fraction form
    23,150,821.43/31,920,204.13 = 20,005,465.75/x
  3. Step 3: Cross multiply
    23,150,821.43x = 31,920,204.13 × 20,005,465.75
  4. Step 4: Simplify right side
    23,150,821.43x = 638,578,550,325,909.38
  5. Step 5: Solve for x
    x = 638,578,550,325,909.38/23,150,821.43
  6. Step 6: Final answer
    x = 27,583,407.88

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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.