Home / 21,804,713.20-32,707,069.80-7,443,996.40

Finding the Fourth Proportional to 21,804,713.20, 32,707,069.80 and 7,443,996.40

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Solution

The fourth proportional to 21,804,713.20, 32,707,069.80 and 7,443,996.40 is: 11,165,994.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,804,713.20 : 32,707,069.80 = 7,443,996.40 : x
  2. Step 2: Convert to fraction form
    21,804,713.20/32,707,069.80 = 7,443,996.40/x
  3. Step 3: Cross multiply
    21,804,713.20x = 32,707,069.80 × 7,443,996.40
  4. Step 4: Simplify right side
    21,804,713.20x = 243,471,309,845,748.75
  5. Step 5: Solve for x
    x = 243,471,309,845,748.75/21,804,713.20
  6. Step 6: Final answer
    x = 11,165,994.60

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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.