Home / 12,951,570.40-19,423,969.20-3,851,216.80

Finding the Fourth Proportional to 12,951,570.40, 19,423,969.20 and 3,851,216.80

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Solution

The fourth proportional to 12,951,570.40, 19,423,969.20 and 3,851,216.80 is: 5,775,818.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,951,570.40 : 19,423,969.20 = 3,851,216.80 : x
  2. Step 2: Convert to fraction form
    12,951,570.40/19,423,969.20 = 3,851,216.80/x
  3. Step 3: Cross multiply
    12,951,570.40x = 19,423,969.20 × 3,851,216.80
  4. Step 4: Simplify right side
    12,951,570.40x = 74,805,916,505,722.55
  5. Step 5: Solve for x
    x = 74,805,916,505,722.55/12,951,570.40
  6. Step 6: Final answer
    x = 5,775,818.24

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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.