Home / 10,022,447.52-13,830,977.76-5,438,769.12

Finding the Fourth Proportional to 10,022,447.52, 13,830,977.76 and 5,438,769.12

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Solution

The fourth proportional to 10,022,447.52, 13,830,977.76 and 5,438,769.12 is: 7,505,501.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,022,447.52 : 13,830,977.76 = 5,438,769.12 : x
  2. Step 2: Convert to fraction form
    10,022,447.52/13,830,977.76 = 5,438,769.12/x
  3. Step 3: Cross multiply
    10,022,447.52x = 13,830,977.76 × 5,438,769.12
  4. Step 4: Simplify right side
    10,022,447.52x = 75,223,494,740,494.77
  5. Step 5: Solve for x
    x = 75,223,494,740,494.77/10,022,447.52
  6. Step 6: Final answer
    x = 7,505,501.48

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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.