Home / 14,367,987.70-21,551,981.55-13,801,117.30

Finding the Fourth Proportional to 14,367,987.70, 21,551,981.55 and 13,801,117.30

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Solution

The fourth proportional to 14,367,987.70, 21,551,981.55 and 13,801,117.30 is: 20,701,675.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,367,987.70 : 21,551,981.55 = 13,801,117.30 : x
  2. Step 2: Convert to fraction form
    14,367,987.70/21,551,981.55 = 13,801,117.30/x
  3. Step 3: Cross multiply
    14,367,987.70x = 21,551,981.55 × 13,801,117.30
  4. Step 4: Simplify right side
    14,367,987.70x = 297,441,425,418,985.81
  5. Step 5: Solve for x
    x = 297,441,425,418,985.81/14,367,987.70
  6. Step 6: Final answer
    x = 20,701,675.95

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Double scale
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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.