Home / 20,111,612.30-30,167,418.45-6,648,440.30

Finding the Fourth Proportional to 20,111,612.30, 30,167,418.45 and 6,648,440.30

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Solution

The fourth proportional to 20,111,612.30, 30,167,418.45 and 6,648,440.30 is: 9,972,660.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,111,612.30 : 30,167,418.45 = 6,648,440.30 : x
  2. Step 2: Convert to fraction form
    20,111,612.30/30,167,418.45 = 6,648,440.30/x
  3. Step 3: Cross multiply
    20,111,612.30x = 30,167,418.45 × 6,648,440.30
  4. Step 4: Simplify right side
    20,111,612.30x = 200,566,280,569,943.53
  5. Step 5: Solve for x
    x = 200,566,280,569,943.53/20,111,612.30
  6. Step 6: Final answer
    x = 9,972,660.45

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Double scale
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1.5x scale

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.