Home / 11,978,006.70-17,967,010.05-4,785,984.30

Finding the Fourth Proportional to 11,978,006.70, 17,967,010.05 and 4,785,984.30

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Solution

The fourth proportional to 11,978,006.70, 17,967,010.05 and 4,785,984.30 is: 7,178,976.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,978,006.70 : 17,967,010.05 = 4,785,984.30 : x
  2. Step 2: Convert to fraction form
    11,978,006.70/17,967,010.05 = 4,785,984.30/x
  3. Step 3: Cross multiply
    11,978,006.70x = 17,967,010.05 × 4,785,984.30
  4. Step 4: Simplify right side
    11,978,006.70x = 85,989,828,017,242.22
  5. Step 5: Solve for x
    x = 85,989,828,017,242.22/11,978,006.70
  6. Step 6: Final answer
    x = 7,178,976.45

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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.