Home / 15,201,212.77-20,977,693.85-8,231,902.34

Finding the Fourth Proportional to 15,201,212.77, 20,977,693.85 and 8,231,902.34

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Solution

The fourth proportional to 15,201,212.77, 20,977,693.85 and 8,231,902.34 is: 11,360,036.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,201,212.77 : 20,977,693.85 = 8,231,902.34 : x
  2. Step 2: Convert to fraction form
    15,201,212.77/20,977,693.85 = 8,231,902.34/x
  3. Step 3: Cross multiply
    15,201,212.77x = 20,977,693.85 × 8,231,902.34
  4. Step 4: Simplify right side
    15,201,212.77x = 172,686,326,945,570.62
  5. Step 5: Solve for x
    x = 172,686,326,945,570.62/15,201,212.77
  6. Step 6: Final answer
    x = 11,360,036.17

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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.