Home / 13,851,036.90-20,776,555.35-8,394,909.30

Finding the Fourth Proportional to 13,851,036.90, 20,776,555.35 and 8,394,909.30

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Solution

The fourth proportional to 13,851,036.90, 20,776,555.35 and 8,394,909.30 is: 12,592,363.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,851,036.90 : 20,776,555.35 = 8,394,909.30 : x
  2. Step 2: Convert to fraction form
    13,851,036.90/20,776,555.35 = 8,394,909.30/x
  3. Step 3: Cross multiply
    13,851,036.90x = 20,776,555.35 × 8,394,909.30
  4. Step 4: Simplify right side
    13,851,036.90x = 174,417,297,729,679.78
  5. Step 5: Solve for x
    x = 174,417,297,729,679.78/13,851,036.90
  6. Step 6: Final answer
    x = 12,592,363.95

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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.