Home / 11,142,559.80-15,379,921.17-6,561,538.38

Finding the Fourth Proportional to 11,142,559.80, 15,379,921.17 and 6,561,538.38

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Solution

The fourth proportional to 11,142,559.80, 15,379,921.17 and 6,561,538.38 is: 9,056,800.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,142,559.80 : 15,379,921.17 = 6,561,538.38 : x
  2. Step 2: Convert to fraction form
    11,142,559.80/15,379,921.17 = 6,561,538.38/x
  3. Step 3: Cross multiply
    11,142,559.80x = 15,379,921.17 × 6,561,538.38
  4. Step 4: Simplify right side
    11,142,559.80x = 100,915,943,038,329.50
  5. Step 5: Solve for x
    x = 100,915,943,038,329.50/11,142,559.80
  6. Step 6: Final answer
    x = 9,056,800.67

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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.