Home / 5,520,004.10-8,280,006.15-4,638,205.70

Finding the Fourth Proportional to 5,520,004.10, 8,280,006.15 and 4,638,205.70

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Solution

The fourth proportional to 5,520,004.10, 8,280,006.15 and 4,638,205.70 is: 6,957,308.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,520,004.10 : 8,280,006.15 = 4,638,205.70 : x
  2. Step 2: Convert to fraction form
    5,520,004.10/8,280,006.15 = 4,638,205.70/x
  3. Step 3: Cross multiply
    5,520,004.10x = 8,280,006.15 × 4,638,205.70
  4. Step 4: Simplify right side
    5,520,004.10x = 38,404,371,720,965.05
  5. Step 5: Solve for x
    x = 38,404,371,720,965.05/5,520,004.10
  6. Step 6: Final answer
    x = 6,957,308.55

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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.