Home / 19,689,662.40-29,531,728.80-6,227,851.20

Finding the Fourth Proportional to 19,689,662.40, 29,531,728.80 and 6,227,851.20

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Solution

The fourth proportional to 19,689,662.40, 29,531,728.80 and 6,227,851.20 is: 9,340,902.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,689,662.40 : 29,531,728.80 = 6,227,851.20 : x
  2. Step 2: Convert to fraction form
    19,689,662.40/29,531,728.80 = 6,227,851.20/x
  3. Step 3: Cross multiply
    19,689,662.40x = 29,531,728.80 × 6,227,851.20
  4. Step 4: Simplify right side
    19,689,662.40x = 183,919,212,645,154.56
  5. Step 5: Solve for x
    x = 183,919,212,645,154.56/19,689,662.40
  6. Step 6: Final answer
    x = 9,340,902.29

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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.