Home / 10,109,920.20-15,164,880.30-5,805,248.10

Finding the Fourth Proportional to 10,109,920.20, 15,164,880.30 and 5,805,248.10

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Solution

The fourth proportional to 10,109,920.20, 15,164,880.30 and 5,805,248.10 is: 8,707,872.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,109,920.20 : 15,164,880.30 = 5,805,248.10 : x
  2. Step 2: Convert to fraction form
    10,109,920.20/15,164,880.30 = 5,805,248.10/x
  3. Step 3: Cross multiply
    10,109,920.20x = 15,164,880.30 × 5,805,248.10
  4. Step 4: Simplify right side
    10,109,920.20x = 88,035,892,548,302.42
  5. Step 5: Solve for x
    x = 88,035,892,548,302.42/10,109,920.20
  6. Step 6: Final answer
    x = 8,707,872.15

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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.