Home / 12,436,866.36-17,170,158.06-8,151,979.32

Finding the Fourth Proportional to 12,436,866.36, 17,170,158.06 and 8,151,979.32

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Solution

The fourth proportional to 12,436,866.36, 17,170,158.06 and 8,151,979.32 is: 11,254,504.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,436,866.36 : 17,170,158.06 = 8,151,979.32 : x
  2. Step 2: Convert to fraction form
    12,436,866.36/17,170,158.06 = 8,151,979.32/x
  3. Step 3: Cross multiply
    12,436,866.36x = 17,170,158.06 × 8,151,979.32
  4. Step 4: Simplify right side
    12,436,866.36x = 139,970,773,426,251.31
  5. Step 5: Solve for x
    x = 139,970,773,426,251.31/12,436,866.36
  6. Step 6: Final answer
    x = 11,254,504.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.