Home / 8,620,152-12,930,292.80-3,826,552.56

Finding the Fourth Proportional to 8,620,152, 12,930,292.80 and 3,826,552.56

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Solution

The fourth proportional to 8,620,152, 12,930,292.80 and 3,826,552.56 is: 5,739,857.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,620,152 : 12,930,292.80 = 3,826,552.56 : x
  2. Step 2: Convert to fraction form
    8,620,152/12,930,292.80 = 3,826,552.56/x
  3. Step 3: Cross multiply
    8,620,152x = 12,930,292.80 × 3,826,552.56
  4. Step 4: Simplify right side
    8,620,152x = 49,478,445,015,389.57
  5. Step 5: Solve for x
    x = 49,478,445,015,389.57/8,620,152
  6. Step 6: Final answer
    x = 5,739,857.61

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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.