Home / 23,181,460.80-34,776,856.80-19,420,987.20

Finding the Fourth Proportional to 23,181,460.80, 34,776,856.80 and 19,420,987.20

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Solution

The fourth proportional to 23,181,460.80, 34,776,856.80 and 19,420,987.20 is: 29,135,389.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,181,460.80 : 34,776,856.80 = 19,420,987.20 : x
  2. Step 2: Convert to fraction form
    23,181,460.80/34,776,856.80 = 19,420,987.20/x
  3. Step 3: Cross multiply
    23,181,460.80x = 34,776,856.80 × 19,420,987.20
  4. Step 4: Simplify right side
    23,181,460.80x = 675,400,890,769,032.88
  5. Step 5: Solve for x
    x = 675,400,890,769,032.88/23,181,460.80
  6. Step 6: Final answer
    x = 29,135,389.55

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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.