Home / 8,020,385.10-12,033,530.10-2,629,211.40

Finding the Fourth Proportional to 8,020,385.10, 12,033,530.10 and 2,629,211.40

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Solution

The fourth proportional to 8,020,385.10, 12,033,530.10 and 2,629,211.40 is: 3,944,784.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,020,385.10 : 12,033,530.10 = 2,629,211.40 : x
  2. Step 2: Convert to fraction form
    8,020,385.10/12,033,530.10 = 2,629,211.40/x
  3. Step 3: Cross multiply
    8,020,385.10x = 12,033,530.10 × 2,629,211.40
  4. Step 4: Simplify right side
    8,020,385.10x = 31,638,694,521,163.14
  5. Step 5: Solve for x
    x = 31,638,694,521,163.14/8,020,385.10
  6. Step 6: Final answer
    x = 3,944,784.96

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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.