Home / 9,515,574.21-13,131,688.23-5,385,605.07

Finding the Fourth Proportional to 9,515,574.21, 13,131,688.23 and 5,385,605.07

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Solution

The fourth proportional to 9,515,574.21, 13,131,688.23 and 5,385,605.07 is: 7,432,245.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,515,574.21 : 13,131,688.23 = 5,385,605.07 : x
  2. Step 2: Convert to fraction form
    9,515,574.21/13,131,688.23 = 5,385,605.07/x
  3. Step 3: Cross multiply
    9,515,574.21x = 13,131,688.23 × 5,385,605.07
  4. Step 4: Simplify right side
    9,515,574.21x = 70,722,086,709,147.33
  5. Step 5: Solve for x
    x = 70,722,086,709,147.33/9,515,574.21
  6. Step 6: Final answer
    x = 7,432,245.83

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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.