Home / 14,230,012.20-19,670,512.68-12,696,473.22

Finding the Fourth Proportional to 14,230,012.20, 19,670,512.68 and 12,696,473.22

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Solution

The fourth proportional to 14,230,012.20, 19,670,512.68 and 12,696,473.22 is: 17,550,662.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,230,012.20 : 19,670,512.68 = 12,696,473.22 : x
  2. Step 2: Convert to fraction form
    14,230,012.20/19,670,512.68 = 12,696,473.22/x
  3. Step 3: Cross multiply
    14,230,012.20x = 19,670,512.68 × 12,696,473.22
  4. Step 4: Simplify right side
    14,230,012.20x = 249,746,137,465,290.44
  5. Step 5: Solve for x
    x = 249,746,137,465,290.44/14,230,012.20
  6. Step 6: Final answer
    x = 17,550,662.22

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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.