Home / 26,456,437.80-39,684,656.70-18,842,178.60

Finding the Fourth Proportional to 26,456,437.80, 39,684,656.70 and 18,842,178.60

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Solution

The fourth proportional to 26,456,437.80, 39,684,656.70 and 18,842,178.60 is: 28,263,267.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,456,437.80 : 39,684,656.70 = 18,842,178.60 : x
  2. Step 2: Convert to fraction form
    26,456,437.80/39,684,656.70 = 18,842,178.60/x
  3. Step 3: Cross multiply
    26,456,437.80x = 39,684,656.70 × 18,842,178.60
  4. Step 4: Simplify right side
    26,456,437.80x = 747,745,389,221,086.75
  5. Step 5: Solve for x
    x = 747,745,389,221,086.75/26,456,437.80
  6. Step 6: Final answer
    x = 28,263,267.90

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Similar ratio
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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.