Home / 26,621,947.98-39,827,853-20,163,627.66

Finding the Fourth Proportional to 26,621,947.98, 39,827,853 and 20,163,627.66

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Solution

The fourth proportional to 26,621,947.98, 39,827,853 and 20,163,627.66 is: 30,165,861.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,621,947.98 : 39,827,853 = 20,163,627.66 : x
  2. Step 2: Convert to fraction form
    26,621,947.98/39,827,853 = 20,163,627.66/x
  3. Step 3: Cross multiply
    26,621,947.98x = 39,827,853 × 20,163,627.66
  4. Step 4: Simplify right side
    26,621,947.98x = 803,073,998,389,214
  5. Step 5: Solve for x
    x = 803,073,998,389,214/26,621,947.98
  6. Step 6: Final answer
    x = 30,165,861.60

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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.