Home / 14,179,987.20-21,280,478.40-9,386,083.20

Finding the Fourth Proportional to 14,179,987.20, 21,280,478.40 and 9,386,083.20

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Solution

The fourth proportional to 14,179,987.20, 21,280,478.40 and 9,386,083.20 is: 14,086,073.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,179,987.20 : 21,280,478.40 = 9,386,083.20 : x
  2. Step 2: Convert to fraction form
    14,179,987.20/21,280,478.40 = 9,386,083.20/x
  3. Step 3: Cross multiply
    14,179,987.20x = 21,280,478.40 × 9,386,083.20
  4. Step 4: Simplify right side
    14,179,987.20x = 199,740,340,798,202.84
  5. Step 5: Solve for x
    x = 199,740,340,798,202.84/14,179,987.20
  6. Step 6: Final answer
    x = 14,086,073.42

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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.