Home / 11,591,828.10-17,387,742.15-7,280,813.70

Finding the Fourth Proportional to 11,591,828.10, 17,387,742.15 and 7,280,813.70

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Solution

The fourth proportional to 11,591,828.10, 17,387,742.15 and 7,280,813.70 is: 10,921,220.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,591,828.10 : 17,387,742.15 = 7,280,813.70 : x
  2. Step 2: Convert to fraction form
    11,591,828.10/17,387,742.15 = 7,280,813.70/x
  3. Step 3: Cross multiply
    11,591,828.10x = 17,387,742.15 × 7,280,813.70
  4. Step 4: Simplify right side
    11,591,828.10x = 126,596,911,257,787.45
  5. Step 5: Solve for x
    x = 126,596,911,257,787.45/11,591,828.10
  6. Step 6: Final answer
    x = 10,921,220.55

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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.