Home / 14,371,619.20-21,573,175.20-8,986,350.40

Finding the Fourth Proportional to 14,371,619.20, 21,573,175.20 and 8,986,350.40

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Solution

The fourth proportional to 14,371,619.20, 21,573,175.20 and 8,986,350.40 is: 13,489,371.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,371,619.20 : 21,573,175.20 = 8,986,350.40 : x
  2. Step 2: Convert to fraction form
    14,371,619.20/21,573,175.20 = 8,986,350.40/x
  3. Step 3: Cross multiply
    14,371,619.20x = 21,573,175.20 × 8,986,350.40
  4. Step 4: Simplify right side
    14,371,619.20x = 193,864,111,587,790.09
  5. Step 5: Solve for x
    x = 193,864,111,587,790.09/14,371,619.20
  6. Step 6: Final answer
    x = 13,489,371.58

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1.5x scale

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.