Home / 12,268,298.40-18,403,322.40-3,748,621.20

Finding the Fourth Proportional to 12,268,298.40, 18,403,322.40 and 3,748,621.20

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Solution

The fourth proportional to 12,268,298.40, 18,403,322.40 and 3,748,621.20 is: 5,623,199.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,268,298.40 : 18,403,322.40 = 3,748,621.20 : x
  2. Step 2: Convert to fraction form
    12,268,298.40/18,403,322.40 = 3,748,621.20/x
  3. Step 3: Cross multiply
    12,268,298.40x = 18,403,322.40 × 3,748,621.20
  4. Step 4: Simplify right side
    12,268,298.40x = 68,987,084,499,074.88
  5. Step 5: Solve for x
    x = 68,987,084,499,074.88/12,268,298.40
  6. Step 6: Final answer
    x = 5,623,199.10

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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.