Home / 13,167,644.60-19,719,974.10-10,648,220.60

Finding the Fourth Proportional to 13,167,644.60, 19,719,974.10 and 10,648,220.60

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Solution

The fourth proportional to 13,167,644.60, 19,719,974.10 and 10,648,220.60 is: 15,946,863.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,167,644.60 : 19,719,974.10 = 10,648,220.60 : x
  2. Step 2: Convert to fraction form
    13,167,644.60/19,719,974.10 = 10,648,220.60/x
  3. Step 3: Cross multiply
    13,167,644.60x = 19,719,974.10 × 10,648,220.60
  4. Step 4: Simplify right side
    13,167,644.60x = 209,982,634,443,086.47
  5. Step 5: Solve for x
    x = 209,982,634,443,086.47/13,167,644.60
  6. Step 6: Final answer
    x = 15,946,863.76

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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.