Home / 21,591,602.40-32,382,219.60-12,473,983.20

Finding the Fourth Proportional to 21,591,602.40, 32,382,219.60 and 12,473,983.20

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Solution

The fourth proportional to 21,591,602.40, 32,382,219.60 and 12,473,983.20 is: 18,707,979.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,591,602.40 : 32,382,219.60 = 12,473,983.20 : x
  2. Step 2: Convert to fraction form
    21,591,602.40/32,382,219.60 = 12,473,983.20/x
  3. Step 3: Cross multiply
    21,591,602.40x = 32,382,219.60 × 12,473,983.20
  4. Step 4: Simplify right side
    21,591,602.40x = 403,935,263,269,110.69
  5. Step 5: Solve for x
    x = 403,935,263,269,110.69/21,591,602.40
  6. Step 6: Final answer
    x = 18,707,979.88

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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.