Home / 12,268,533.20-18,402,799.80-3,293,992.40

Finding the Fourth Proportional to 12,268,533.20, 18,402,799.80 and 3,293,992.40

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Solution

The fourth proportional to 12,268,533.20, 18,402,799.80 and 3,293,992.40 is: 4,940,988.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,268,533.20 : 18,402,799.80 = 3,293,992.40 : x
  2. Step 2: Convert to fraction form
    12,268,533.20/18,402,799.80 = 3,293,992.40/x
  3. Step 3: Cross multiply
    12,268,533.20x = 18,402,799.80 × 3,293,992.40
  4. Step 4: Simplify right side
    12,268,533.20x = 60,618,682,679,921.52
  5. Step 5: Solve for x
    x = 60,618,682,679,921.52/12,268,533.20
  6. Step 6: Final answer
    x = 4,940,988.60

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1.5x scale

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.