Home / 7,875,616.86-11,813,800.82-3,827,281.68

Finding the Fourth Proportional to 7,875,616.86, 11,813,800.82 and 3,827,281.68

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Solution

The fourth proportional to 7,875,616.86, 11,813,800.82 and 3,827,281.68 is: 5,741,105.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,875,616.86 : 11,813,800.82 = 3,827,281.68 : x
  2. Step 2: Convert to fraction form
    7,875,616.86/11,813,800.82 = 3,827,281.68/x
  3. Step 3: Cross multiply
    7,875,616.86x = 11,813,800.82 × 3,827,281.68
  4. Step 4: Simplify right side
    7,875,616.86x = 45,214,743,430,418.57
  5. Step 5: Solve for x
    x = 45,214,743,430,418.57/7,875,616.86
  6. Step 6: Final answer
    x = 5,741,105.01

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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.