Home / 12,583,447.20-18,847,177.20-10,343,959.20

Finding the Fourth Proportional to 12,583,447.20, 18,847,177.20 and 10,343,959.20

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Solution

The fourth proportional to 12,583,447.20, 18,847,177.20 and 10,343,959.20 is: 15,492,927.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,583,447.20 : 18,847,177.20 = 10,343,959.20 : x
  2. Step 2: Convert to fraction form
    12,583,447.20/18,847,177.20 = 10,343,959.20/x
  3. Step 3: Cross multiply
    12,583,447.20x = 18,847,177.20 × 10,343,959.20
  4. Step 4: Simplify right side
    12,583,447.20x = 194,954,431,991,970.22
  5. Step 5: Solve for x
    x = 194,954,431,991,970.22/12,583,447.20
  6. Step 6: Final answer
    x = 15,492,927.25

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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.