Home / 28,645,800.62-39,531,708.88-15,593,434.70

Finding the Fourth Proportional to 28,645,800.62, 39,531,708.88 and 15,593,434.70

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Solution

The fourth proportional to 28,645,800.62, 39,531,708.88 and 15,593,434.70 is: 21,519,214.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,645,800.62 : 39,531,708.88 = 15,593,434.70 : x
  2. Step 2: Convert to fraction form
    28,645,800.62/39,531,708.88 = 15,593,434.70/x
  3. Step 3: Cross multiply
    28,645,800.62x = 39,531,708.88 × 15,593,434.70
  4. Step 4: Simplify right side
    28,645,800.62x = 616,435,120,999,690.12
  5. Step 5: Solve for x
    x = 616,435,120,999,690.12/28,645,800.62
  6. Step 6: Final answer
    x = 21,519,214.25

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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.