Home / 13,766,023.40-20,630,434.10-5,241,709.76

Finding the Fourth Proportional to 13,766,023.40, 20,630,434.10 and 5,241,709.76

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Solution

The fourth proportional to 13,766,023.40, 20,630,434.10 and 5,241,709.76 is: 7,855,481.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,766,023.40 : 20,630,434.10 = 5,241,709.76 : x
  2. Step 2: Convert to fraction form
    13,766,023.40/20,630,434.10 = 5,241,709.76/x
  3. Step 3: Cross multiply
    13,766,023.40x = 20,630,434.10 × 5,241,709.76
  4. Step 4: Simplify right side
    13,766,023.40x = 108,138,747,775,006.81
  5. Step 5: Solve for x
    x = 108,138,747,775,006.81/13,766,023.40
  6. Step 6: Final answer
    x = 7,855,481.91

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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.