Home / 12,462,405.80-18,691,859.10-3,943,603.40

Finding the Fourth Proportional to 12,462,405.80, 18,691,859.10 and 3,943,603.40

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Solution

The fourth proportional to 12,462,405.80, 18,691,859.10 and 3,943,603.40 is: 5,914,851.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,462,405.80 : 18,691,859.10 = 3,943,603.40 : x
  2. Step 2: Convert to fraction form
    12,462,405.80/18,691,859.10 = 3,943,603.40/x
  3. Step 3: Cross multiply
    12,462,405.80x = 18,691,859.10 × 3,943,603.40
  4. Step 4: Simplify right side
    12,462,405.80x = 73,713,279,099,080.94
  5. Step 5: Solve for x
    x = 73,713,279,099,080.94/12,462,405.80
  6. Step 6: Final answer
    x = 5,914,851.46

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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.