Home / 11,190,975.80-16,786,463.70-9,868,278.20

Finding the Fourth Proportional to 11,190,975.80, 16,786,463.70 and 9,868,278.20

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Solution

The fourth proportional to 11,190,975.80, 16,786,463.70 and 9,868,278.20 is: 14,802,417.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,190,975.80 : 16,786,463.70 = 9,868,278.20 : x
  2. Step 2: Convert to fraction form
    11,190,975.80/16,786,463.70 = 9,868,278.20/x
  3. Step 3: Cross multiply
    11,190,975.80x = 16,786,463.70 × 9,868,278.20
  4. Step 4: Simplify right side
    11,190,975.80x = 165,653,493,785,801.31
  5. Step 5: Solve for x
    x = 165,653,493,785,801.31/11,190,975.80
  6. Step 6: Final answer
    x = 14,802,417.30

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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.