Home / 28,874,928.10-43,312,392.15-18,125,385.70

Finding the Fourth Proportional to 28,874,928.10, 43,312,392.15 and 18,125,385.70

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Solution

The fourth proportional to 28,874,928.10, 43,312,392.15 and 18,125,385.70 is: 27,188,078.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,874,928.10 : 43,312,392.15 = 18,125,385.70 : x
  2. Step 2: Convert to fraction form
    28,874,928.10/43,312,392.15 = 18,125,385.70/x
  3. Step 3: Cross multiply
    28,874,928.10x = 43,312,392.15 × 18,125,385.70
  4. Step 4: Simplify right side
    28,874,928.10x = 785,053,813,308,402.25
  5. Step 5: Solve for x
    x = 785,053,813,308,402.25/28,874,928.10
  6. Step 6: Final answer
    x = 27,188,078.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.