Home / 13,677,573.20-18,873,406.60-7,878,241.04

Finding the Fourth Proportional to 13,677,573.20, 18,873,406.60 and 7,878,241.04

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Solution

The fourth proportional to 13,677,573.20, 18,873,406.60 and 7,878,241.04 is: 10,871,025.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,677,573.20 : 18,873,406.60 = 7,878,241.04 : x
  2. Step 2: Convert to fraction form
    13,677,573.20/18,873,406.60 = 7,878,241.04/x
  3. Step 3: Cross multiply
    13,677,573.20x = 18,873,406.60 × 7,878,241.04
  4. Step 4: Simplify right side
    13,677,573.20x = 148,689,246,440,726.88
  5. Step 5: Solve for x
    x = 148,689,246,440,726.88/13,677,573.20
  6. Step 6: Final answer
    x = 10,871,025.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.