Home / 13,126,849.76-18,115,962-7,326,763.04

Finding the Fourth Proportional to 13,126,849.76, 18,115,962 and 7,326,763.04

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Solution

The fourth proportional to 13,126,849.76, 18,115,962 and 7,326,763.04 is: 10,111,440.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,126,849.76 : 18,115,962 = 7,326,763.04 : x
  2. Step 2: Convert to fraction form
    13,126,849.76/18,115,962 = 7,326,763.04/x
  3. Step 3: Cross multiply
    13,126,849.76x = 18,115,962 × 7,326,763.04
  4. Step 4: Simplify right side
    13,126,849.76x = 132,731,360,815,644.48
  5. Step 5: Solve for x
    x = 132,731,360,815,644.48/13,126,849.76
  6. Step 6: Final answer
    x = 10,111,440.54

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1.5x scale

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.