Home / 13,555,188.56-18,705,649.38-7,360,101.38

Finding the Fourth Proportional to 13,555,188.56, 18,705,649.38 and 7,360,101.38

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Solution

The fourth proportional to 13,555,188.56, 18,705,649.38 and 7,360,101.38 is: 10,156,662.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,555,188.56 : 18,705,649.38 = 7,360,101.38 : x
  2. Step 2: Convert to fraction form
    13,555,188.56/18,705,649.38 = 7,360,101.38/x
  3. Step 3: Cross multiply
    13,555,188.56x = 18,705,649.38 × 7,360,101.38
  4. Step 4: Simplify right side
    13,555,188.56x = 137,675,475,815,534.14
  5. Step 5: Solve for x
    x = 137,675,475,815,534.14/13,555,188.56
  6. Step 6: Final answer
    x = 10,156,662.54

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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.