Home / 13,152,528.77-18,149,757.56-7,271,822.97

Finding the Fourth Proportional to 13,152,528.77, 18,149,757.56 and 7,271,822.97

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Solution

The fourth proportional to 13,152,528.77, 18,149,757.56 and 7,271,822.97 is: 10,034,710.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,152,528.77 : 18,149,757.56 = 7,271,822.97 : x
  2. Step 2: Convert to fraction form
    13,152,528.77/18,149,757.56 = 7,271,822.97/x
  3. Step 3: Cross multiply
    13,152,528.77x = 18,149,757.56 × 7,271,822.97
  4. Step 4: Simplify right side
    13,152,528.77x = 131,981,823,924,739.14
  5. Step 5: Solve for x
    x = 131,981,823,924,739.14/13,152,528.77
  6. Step 6: Final answer
    x = 10,034,710.91

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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.