Home / 8,210,412.38-12,314,445.60-2,818,961.66

Finding the Fourth Proportional to 8,210,412.38, 12,314,445.60 and 2,818,961.66

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Solution

The fourth proportional to 8,210,412.38, 12,314,445.60 and 2,818,961.66 is: 4,228,039.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,210,412.38 : 12,314,445.60 = 2,818,961.66 : x
  2. Step 2: Convert to fraction form
    8,210,412.38/12,314,445.60 = 2,818,961.66/x
  3. Step 3: Cross multiply
    8,210,412.38x = 12,314,445.60 × 2,818,961.66
  4. Step 4: Simplify right side
    8,210,412.38x = 34,713,950,010,555.70
  5. Step 5: Solve for x
    x = 34,713,950,010,555.70/8,210,412.38
  6. Step 6: Final answer
    x = 4,228,039.76

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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.