Home / 21,044,564.40-31,566,846.60-20,414,708.40

Finding the Fourth Proportional to 21,044,564.40, 31,566,846.60 and 20,414,708.40

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Solution

The fourth proportional to 21,044,564.40, 31,566,846.60 and 20,414,708.40 is: 30,622,062.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,044,564.40 : 31,566,846.60 = 20,414,708.40 : x
  2. Step 2: Convert to fraction form
    21,044,564.40/31,566,846.60 = 20,414,708.40/x
  3. Step 3: Cross multiply
    21,044,564.40x = 31,566,846.60 × 20,414,708.40
  4. Step 4: Simplify right side
    21,044,564.40x = 644,427,968,446,531.38
  5. Step 5: Solve for x
    x = 644,427,968,446,531.38/21,044,564.40
  6. Step 6: Final answer
    x = 30,622,062.60

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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.