Home / 10,778,987.10-16,168,480.65-9,786,963.90

Finding the Fourth Proportional to 10,778,987.10, 16,168,480.65 and 9,786,963.90

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Solution

The fourth proportional to 10,778,987.10, 16,168,480.65 and 9,786,963.90 is: 14,680,445.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,778,987.10 : 16,168,480.65 = 9,786,963.90 : x
  2. Step 2: Convert to fraction form
    10,778,987.10/16,168,480.65 = 9,786,963.90/x
  3. Step 3: Cross multiply
    10,778,987.10x = 16,168,480.65 × 9,786,963.90
  4. Step 4: Simplify right side
    10,778,987.10x = 158,240,336,439,398.53
  5. Step 5: Solve for x
    x = 158,240,336,439,398.53/10,778,987.10
  6. Step 6: Final answer
    x = 14,680,445.85

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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.