Home / 11,780,541.80-17,670,812.70-9,653,028.20

Finding the Fourth Proportional to 11,780,541.80, 17,670,812.70 and 9,653,028.20

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Solution

The fourth proportional to 11,780,541.80, 17,670,812.70 and 9,653,028.20 is: 14,479,542.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,780,541.80 : 17,670,812.70 = 9,653,028.20 : x
  2. Step 2: Convert to fraction form
    11,780,541.80/17,670,812.70 = 9,653,028.20/x
  3. Step 3: Cross multiply
    11,780,541.80x = 17,670,812.70 × 9,653,028.20
  4. Step 4: Simplify right side
    11,780,541.80x = 170,576,853,310,018.12
  5. Step 5: Solve for x
    x = 170,576,853,310,018.12/11,780,541.80
  6. Step 6: Final answer
    x = 14,479,542.30

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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.