Home / 21,168,000.90-31,752,001.35-14,449,536.90

Finding the Fourth Proportional to 21,168,000.90, 31,752,001.35 and 14,449,536.90

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Solution

The fourth proportional to 21,168,000.90, 31,752,001.35 and 14,449,536.90 is: 21,674,305.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,168,000.90 : 31,752,001.35 = 14,449,536.90 : x
  2. Step 2: Convert to fraction form
    21,168,000.90/31,752,001.35 = 14,449,536.90/x
  3. Step 3: Cross multiply
    21,168,000.90x = 31,752,001.35 × 14,449,536.90
  4. Step 4: Simplify right side
    21,168,000.90x = 458,801,715,155,674.88
  5. Step 5: Solve for x
    x = 458,801,715,155,674.88/21,168,000.90
  6. Step 6: Final answer
    x = 21,674,305.35

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Similar ratio
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1.5x scale

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.