Home / 62,643,489.76-86,458,405.62-36,538,006.78

Finding the Fourth Proportional to 62,643,489.76, 86,458,405.62 and 36,538,006.78

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Solution

The fourth proportional to 62,643,489.76, 86,458,405.62 and 36,538,006.78 is: 50,428,509.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,643,489.76 : 86,458,405.62 = 36,538,006.78 : x
  2. Step 2: Convert to fraction form
    62,643,489.76/86,458,405.62 = 36,538,006.78/x
  3. Step 3: Cross multiply
    62,643,489.76x = 86,458,405.62 × 36,538,006.78
  4. Step 4: Simplify right side
    62,643,489.76x = 3,159,017,810,731,550.50
  5. Step 5: Solve for x
    x = 3,159,017,810,731,550.50/62,643,489.76
  6. Step 6: Final answer
    x = 50,428,509.38

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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.