Home / 18,109,904.80-27,166,169.40-10,905,926.80

Finding the Fourth Proportional to 18,109,904.80, 27,166,169.40 and 10,905,926.80

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Solution

The fourth proportional to 18,109,904.80, 27,166,169.40 and 10,905,926.80 is: 16,359,680.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,109,904.80 : 27,166,169.40 = 10,905,926.80 : x
  2. Step 2: Convert to fraction form
    18,109,904.80/27,166,169.40 = 10,905,926.80/x
  3. Step 3: Cross multiply
    18,109,904.80x = 27,166,169.40 × 10,905,926.80
  4. Step 4: Simplify right side
    18,109,904.80x = 296,272,254,912,799.94
  5. Step 5: Solve for x
    x = 296,272,254,912,799.94/18,109,904.80
  6. Step 6: Final answer
    x = 16,359,680.42

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1.5x scale

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.