Home / 18,759,754.98-25,867,904-12,221,259.20

Finding the Fourth Proportional to 18,759,754.98, 25,867,904 and 12,221,259.20

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Solution

The fourth proportional to 18,759,754.98, 25,867,904 and 12,221,259.20 is: 16,851,945.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,759,754.98 : 25,867,904 = 12,221,259.20 : x
  2. Step 2: Convert to fraction form
    18,759,754.98/25,867,904 = 12,221,259.20/x
  3. Step 3: Cross multiply
    18,759,754.98x = 25,867,904 × 12,221,259.20
  4. Step 4: Simplify right side
    18,759,754.98x = 316,138,359,744,716.75
  5. Step 5: Solve for x
    x = 316,138,359,744,716.75/18,759,754.98
  6. Step 6: Final answer
    x = 16,851,945.03

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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.