Home / 8,685,355.85-11,984,549.73-5,199,859.44

Finding the Fourth Proportional to 8,685,355.85, 11,984,549.73 and 5,199,859.44

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Solution

The fourth proportional to 8,685,355.85, 11,984,549.73 and 5,199,859.44 is: 7,175,062.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,685,355.85 : 11,984,549.73 = 5,199,859.44 : x
  2. Step 2: Convert to fraction form
    8,685,355.85/11,984,549.73 = 5,199,859.44/x
  3. Step 3: Cross multiply
    8,685,355.85x = 11,984,549.73 × 5,199,859.44
  4. Step 4: Simplify right side
    8,685,355.85x = 62,317,974,047,689.96
  5. Step 5: Solve for x
    x = 62,317,974,047,689.96/8,685,355.85
  6. Step 6: Final answer
    x = 7,175,062.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.