Home / 28,516,936.49-39,353,382.80-15,464,191.94

Finding the Fourth Proportional to 28,516,936.49, 39,353,382.80 and 15,464,191.94

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Solution

The fourth proportional to 28,516,936.49, 39,353,382.80 and 15,464,191.94 is: 21,340,590.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,516,936.49 : 39,353,382.80 = 15,464,191.94 : x
  2. Step 2: Convert to fraction form
    28,516,936.49/39,353,382.80 = 15,464,191.94/x
  3. Step 3: Cross multiply
    28,516,936.49x = 39,353,382.80 × 15,464,191.94
  4. Step 4: Simplify right side
    28,516,936.49x = 608,568,265,244,538.62
  5. Step 5: Solve for x
    x = 608,568,265,244,538.62/28,516,936.49
  6. Step 6: Final answer
    x = 21,340,590.55

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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.