Home / 19,407,987.20-29,093,318.40-15,087,641.60

Finding the Fourth Proportional to 19,407,987.20, 29,093,318.40 and 15,087,641.60

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Solution

The fourth proportional to 19,407,987.20, 29,093,318.40 and 15,087,641.60 is: 22,616,954.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,407,987.20 : 29,093,318.40 = 15,087,641.60 : x
  2. Step 2: Convert to fraction form
    19,407,987.20/29,093,318.40 = 15,087,641.60/x
  3. Step 3: Cross multiply
    19,407,987.20x = 29,093,318.40 × 15,087,641.60
  4. Step 4: Simplify right side
    19,407,987.20x = 438,949,560,973,885.44
  5. Step 5: Solve for x
    x = 438,949,560,973,885.44/19,407,987.20
  6. Step 6: Final answer
    x = 22,616,954.37

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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.