Home / 10,128,489.38-13,977,314.94-5,544,810.75

Finding the Fourth Proportional to 10,128,489.38, 13,977,314.94 and 5,544,810.75

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Solution

The fourth proportional to 10,128,489.38, 13,977,314.94 and 5,544,810.75 is: 7,651,838.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,128,489.38 : 13,977,314.94 = 5,544,810.75 : x
  2. Step 2: Convert to fraction form
    10,128,489.38/13,977,314.94 = 5,544,810.75/x
  3. Step 3: Cross multiply
    10,128,489.38x = 13,977,314.94 × 5,544,810.75
  4. Step 4: Simplify right side
    10,128,489.38x = 77,501,566,135,447.61
  5. Step 5: Solve for x
    x = 77,501,566,135,447.61/10,128,489.38
  6. Step 6: Final answer
    x = 7,651,838.61

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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.