Home / 18,693,017.43-25,810,034.77-12,081,520

Finding the Fourth Proportional to 18,693,017.43, 25,810,034.77 and 12,081,520

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Solution

The fourth proportional to 18,693,017.43, 25,810,034.77 and 12,081,520 is: 16,681,333.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,693,017.43 : 25,810,034.77 = 12,081,520 : x
  2. Step 2: Convert to fraction form
    18,693,017.43/25,810,034.77 = 12,081,520/x
  3. Step 3: Cross multiply
    18,693,017.43x = 25,810,034.77 × 12,081,520
  4. Step 4: Simplify right side
    18,693,017.43x = 311,824,451,274,450.38
  5. Step 5: Solve for x
    x = 311,824,451,274,450.38/18,693,017.43
  6. Step 6: Final answer
    x = 16,681,333.15

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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.