Home / 11,780,431.80-17,670,647.70-9,652,918.20

Finding the Fourth Proportional to 11,780,431.80, 17,670,647.70 and 9,652,918.20

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Solution

The fourth proportional to 11,780,431.80, 17,670,647.70 and 9,652,918.20 is: 14,479,377.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,780,431.80 : 17,670,647.70 = 9,652,918.20 : x
  2. Step 2: Convert to fraction form
    11,780,431.80/17,670,647.70 = 9,652,918.20/x
  3. Step 3: Cross multiply
    11,780,431.80x = 17,670,647.70 × 9,652,918.20
  4. Step 4: Simplify right side
    11,780,431.80x = 170,573,316,789,118.12
  5. Step 5: Solve for x
    x = 170,573,316,789,118.12/11,780,431.80
  6. Step 6: Final answer
    x = 14,479,377.30

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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.