Home / 13,905,742.30-20,867,470.80-8,148,464.80

Finding the Fourth Proportional to 13,905,742.30, 20,867,470.80 and 8,148,464.80

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Solution

The fourth proportional to 13,905,742.30, 20,867,470.80 and 8,148,464.80 is: 12,227,887.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,905,742.30 : 20,867,470.80 = 8,148,464.80 : x
  2. Step 2: Convert to fraction form
    13,905,742.30/20,867,470.80 = 8,148,464.80/x
  3. Step 3: Cross multiply
    13,905,742.30x = 20,867,470.80 × 8,148,464.80
  4. Step 4: Simplify right side
    13,905,742.30x = 170,037,851,278,827.84
  5. Step 5: Solve for x
    x = 170,037,851,278,827.84/13,905,742.30
  6. Step 6: Final answer
    x = 12,227,887.42

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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.