Home / 21,309,713.60-31,964,570.40-6,164,139.20

Finding the Fourth Proportional to 21,309,713.60, 31,964,570.40 and 6,164,139.20

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Solution

The fourth proportional to 21,309,713.60, 31,964,570.40 and 6,164,139.20 is: 9,246,208.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,309,713.60 : 31,964,570.40 = 6,164,139.20 : x
  2. Step 2: Convert to fraction form
    21,309,713.60/31,964,570.40 = 6,164,139.20/x
  3. Step 3: Cross multiply
    21,309,713.60x = 31,964,570.40 × 6,164,139.20
  4. Step 4: Simplify right side
    21,309,713.60x = 197,034,061,413,799.69
  5. Step 5: Solve for x
    x = 197,034,061,413,799.69/21,309,713.60
  6. Step 6: Final answer
    x = 9,246,208.80

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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.