Home / 12,025,179.36-18,036,110.16-6,643,772.64

Finding the Fourth Proportional to 12,025,179.36, 18,036,110.16 and 6,643,772.64

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Solution

The fourth proportional to 12,025,179.36, 18,036,110.16 and 6,643,772.64 is: 9,964,742.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,025,179.36 : 18,036,110.16 = 6,643,772.64 : x
  2. Step 2: Convert to fraction form
    12,025,179.36/18,036,110.16 = 6,643,772.64/x
  3. Step 3: Cross multiply
    12,025,179.36x = 18,036,110.16 × 6,643,772.64
  4. Step 4: Simplify right side
    12,025,179.36x = 119,827,815,213,034.02
  5. Step 5: Solve for x
    x = 119,827,815,213,034.02/12,025,179.36
  6. Step 6: Final answer
    x = 9,964,742.45

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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.