Home / 14,359,987.20-21,539,980.80-13,793,116.80

Finding the Fourth Proportional to 14,359,987.20, 21,539,980.80 and 13,793,116.80

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Solution

The fourth proportional to 14,359,987.20, 21,539,980.80 and 13,793,116.80 is: 20,689,675.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,359,987.20 : 21,539,980.80 = 13,793,116.80 : x
  2. Step 2: Convert to fraction form
    14,359,987.20/21,539,980.80 = 13,793,116.80/x
  3. Step 3: Cross multiply
    14,359,987.20x = 21,539,980.80 × 13,793,116.80
  4. Step 4: Simplify right side
    14,359,987.20x = 297,103,471,044,157.44
  5. Step 5: Solve for x
    x = 297,103,471,044,157.44/14,359,987.20
  6. Step 6: Final answer
    x = 20,689,675.20

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Similar ratio
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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.