Home / 8,195,384.40-12,268,193.40-7,299,589.20

Finding the Fourth Proportional to 8,195,384.40, 12,268,193.40 and 7,299,589.20

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Solution

The fourth proportional to 8,195,384.40, 12,268,193.40 and 7,299,589.20 is: 10,927,220.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,195,384.40 : 12,268,193.40 = 7,299,589.20 : x
  2. Step 2: Convert to fraction form
    8,195,384.40/12,268,193.40 = 7,299,589.20/x
  3. Step 3: Cross multiply
    8,195,384.40x = 12,268,193.40 × 7,299,589.20
  4. Step 4: Simplify right side
    8,195,384.40x = 89,552,772,046,151.28
  5. Step 5: Solve for x
    x = 89,552,772,046,151.28/8,195,384.40
  6. Step 6: Final answer
    x = 10,927,220.45

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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.