Home / 15,119,621.40-22,679,432.10-9,443,044.20

Finding the Fourth Proportional to 15,119,621.40, 22,679,432.10 and 9,443,044.20

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Solution

The fourth proportional to 15,119,621.40, 22,679,432.10 and 9,443,044.20 is: 14,164,566.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,119,621.40 : 22,679,432.10 = 9,443,044.20 : x
  2. Step 2: Convert to fraction form
    15,119,621.40/22,679,432.10 = 9,443,044.20/x
  3. Step 3: Cross multiply
    15,119,621.40x = 22,679,432.10 × 9,443,044.20
  4. Step 4: Simplify right side
    15,119,621.40x = 214,162,879,751,198.81
  5. Step 5: Solve for x
    x = 214,162,879,751,198.81/15,119,621.40
  6. Step 6: Final answer
    x = 14,164,566.30

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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.