Home / 20,741,567.40-31,112,351.10-14,359,026.60

Finding the Fourth Proportional to 20,741,567.40, 31,112,351.10 and 14,359,026.60

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Solution

The fourth proportional to 20,741,567.40, 31,112,351.10 and 14,359,026.60 is: 21,538,539.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,741,567.40 : 31,112,351.10 = 14,359,026.60 : x
  2. Step 2: Convert to fraction form
    20,741,567.40/31,112,351.10 = 14,359,026.60/x
  3. Step 3: Cross multiply
    20,741,567.40x = 31,112,351.10 × 14,359,026.60
  4. Step 4: Simplify right side
    20,741,567.40x = 446,743,077,033,439.25
  5. Step 5: Solve for x
    x = 446,743,077,033,439.25/20,741,567.40
  6. Step 6: Final answer
    x = 21,538,539.90

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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.