Home / 19,321,716.10-28,986,073.35-9,712,912.90

Finding the Fourth Proportional to 19,321,716.10, 28,986,073.35 and 9,712,912.90

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Solution

The fourth proportional to 19,321,716.10, 28,986,073.35 and 9,712,912.90 is: 14,571,128.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,321,716.10 : 28,986,073.35 = 9,712,912.90 : x
  2. Step 2: Convert to fraction form
    19,321,716.10/28,986,073.35 = 9,712,912.90/x
  3. Step 3: Cross multiply
    19,321,716.10x = 28,986,073.35 × 9,712,912.90
  4. Step 4: Simplify right side
    19,321,716.10x = 281,539,205,761,561.25
  5. Step 5: Solve for x
    x = 281,539,205,761,561.25/19,321,716.10
  6. Step 6: Final answer
    x = 14,571,128.38

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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.