Home / 12,464,860.80-18,694,666.80-5,276,629.20

Finding the Fourth Proportional to 12,464,860.80, 18,694,666.80 and 5,276,629.20

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Solution

The fourth proportional to 12,464,860.80, 18,694,666.80 and 5,276,629.20 is: 7,913,832.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,464,860.80 : 18,694,666.80 = 5,276,629.20 : x
  2. Step 2: Convert to fraction form
    12,464,860.80/18,694,666.80 = 5,276,629.20/x
  3. Step 3: Cross multiply
    12,464,860.80x = 18,694,666.80 × 5,276,629.20
  4. Step 4: Simplify right side
    12,464,860.80x = 98,644,824,721,150.56
  5. Step 5: Solve for x
    x = 98,644,824,721,150.56/12,464,860.80
  6. Step 6: Final answer
    x = 7,913,832.84

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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.