Home / 14,145,132.67-19,523,720.91-8,643,140.62

Finding the Fourth Proportional to 14,145,132.67, 19,523,720.91 and 8,643,140.62

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Solution

The fourth proportional to 14,145,132.67, 19,523,720.91 and 8,643,140.62 is: 11,929,634.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,145,132.67 : 19,523,720.91 = 8,643,140.62 : x
  2. Step 2: Convert to fraction form
    14,145,132.67/19,523,720.91 = 8,643,140.62/x
  3. Step 3: Cross multiply
    14,145,132.67x = 19,523,720.91 × 8,643,140.62
  4. Step 4: Simplify right side
    14,145,132.67x = 168,746,265,250,764.34
  5. Step 5: Solve for x
    x = 168,746,265,250,764.34/14,145,132.67
  6. Step 6: Final answer
    x = 11,929,634.68

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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.