Home / 12,387,616.20-18,581,424.30-9,198,970.20

Finding the Fourth Proportional to 12,387,616.20, 18,581,424.30 and 9,198,970.20

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Solution

The fourth proportional to 12,387,616.20, 18,581,424.30 and 9,198,970.20 is: 13,798,455.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,387,616.20 : 18,581,424.30 = 9,198,970.20 : x
  2. Step 2: Convert to fraction form
    12,387,616.20/18,581,424.30 = 9,198,970.20/x
  3. Step 3: Cross multiply
    12,387,616.20x = 18,581,424.30 × 9,198,970.20
  4. Step 4: Simplify right side
    12,387,616.20x = 170,929,968,409,255.84
  5. Step 5: Solve for x
    x = 170,929,968,409,255.84/12,387,616.20
  6. Step 6: Final answer
    x = 13,798,455.30

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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.