Home / 12,005,891.58-18,009,335.37-3,486,228.05

Finding the Fourth Proportional to 12,005,891.58, 18,009,335.37 and 3,486,228.05

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Solution

The fourth proportional to 12,005,891.58, 18,009,335.37 and 3,486,228.05 is: 5,229,486.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,005,891.58 : 18,009,335.37 = 3,486,228.05 : x
  2. Step 2: Convert to fraction form
    12,005,891.58/18,009,335.37 = 3,486,228.05/x
  3. Step 3: Cross multiply
    12,005,891.58x = 18,009,335.37 × 3,486,228.05
  4. Step 4: Simplify right side
    12,005,891.58x = 62,784,650,186,847.83
  5. Step 5: Solve for x
    x = 62,784,650,186,847.83/12,005,891.58
  6. Step 6: Final answer
    x = 5,229,486.69

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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.