Home / 12,287,616.80-18,430,736.28-3,767,929.88

Finding the Fourth Proportional to 12,287,616.80, 18,430,736.28 and 3,767,929.88

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Solution

The fourth proportional to 12,287,616.80, 18,430,736.28 and 3,767,929.88 is: 5,651,683.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,287,616.80 : 18,430,736.28 = 3,767,929.88 : x
  2. Step 2: Convert to fraction form
    12,287,616.80/18,430,736.28 = 3,767,929.88/x
  3. Step 3: Cross multiply
    12,287,616.80x = 18,430,736.28 × 3,767,929.88
  4. Step 4: Simplify right side
    12,287,616.80x = 69,445,721,939,812.05
  5. Step 5: Solve for x
    x = 69,445,721,939,812.05/12,287,616.80
  6. Step 6: Final answer
    x = 5,651,683.57

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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.