Home / 13,455,278.19-20,173,948.95-6,536,912.85

Finding the Fourth Proportional to 13,455,278.19, 20,173,948.95 and 6,536,912.85

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Solution

The fourth proportional to 13,455,278.19, 20,173,948.95 and 6,536,912.85 is: 9,801,012.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,455,278.19 : 20,173,948.95 = 6,536,912.85 : x
  2. Step 2: Convert to fraction form
    13,455,278.19/20,173,948.95 = 6,536,912.85/x
  3. Step 3: Cross multiply
    13,455,278.19x = 20,173,948.95 × 6,536,912.85
  4. Step 4: Simplify right side
    13,455,278.19x = 131,875,346,126,499
  5. Step 5: Solve for x
    x = 131,875,346,126,499/13,455,278.19
  6. Step 6: Final answer
    x = 9,801,012.23

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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.