Home / 15,001,698.30-20,702,443.04-8,126,180.30

Finding the Fourth Proportional to 15,001,698.30, 20,702,443.04 and 8,126,180.30

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Solution

The fourth proportional to 15,001,698.30, 20,702,443.04 and 8,126,180.30 is: 11,214,182.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,001,698.30 : 20,702,443.04 = 8,126,180.30 : x
  2. Step 2: Convert to fraction form
    15,001,698.30/20,702,443.04 = 8,126,180.30/x
  3. Step 3: Cross multiply
    15,001,698.30x = 20,702,443.04 × 8,126,180.30
  4. Step 4: Simplify right side
    15,001,698.30x = 168,231,784,649,377
  5. Step 5: Solve for x
    x = 168,231,784,649,377/15,001,698.30
  6. Step 6: Final answer
    x = 11,214,182.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.