Home / 16,012,987.20-23,986,821.60-9,929,044.80

Finding the Fourth Proportional to 16,012,987.20, 23,986,821.60 and 9,929,044.80

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Solution

The fourth proportional to 16,012,987.20, 23,986,821.60 and 9,929,044.80 is: 14,873,316.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,012,987.20 : 23,986,821.60 = 9,929,044.80 : x
  2. Step 2: Convert to fraction form
    16,012,987.20/23,986,821.60 = 9,929,044.80/x
  3. Step 3: Cross multiply
    16,012,987.20x = 23,986,821.60 × 9,929,044.80
  4. Step 4: Simplify right side
    16,012,987.20x = 238,166,226,276,007.72
  5. Step 5: Solve for x
    x = 238,166,226,276,007.72/16,012,987.20
  6. Step 6: Final answer
    x = 14,873,316.47

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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.