Home / 12,940,365.20-19,410,547.80-5,751,885.20

Finding the Fourth Proportional to 12,940,365.20, 19,410,547.80 and 5,751,885.20

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Solution

The fourth proportional to 12,940,365.20, 19,410,547.80 and 5,751,885.20 is: 8,627,827.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,940,365.20 : 19,410,547.80 = 5,751,885.20 : x
  2. Step 2: Convert to fraction form
    12,940,365.20/19,410,547.80 = 5,751,885.20/x
  3. Step 3: Cross multiply
    12,940,365.20x = 19,410,547.80 × 5,751,885.20
  4. Step 4: Simplify right side
    12,940,365.20x = 111,647,242,614,712.56
  5. Step 5: Solve for x
    x = 111,647,242,614,712.56/12,940,365.20
  6. Step 6: Final answer
    x = 8,627,827.80

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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.