Home / 7,881,710.70-11,822,566.05-5,189,076.30

Finding the Fourth Proportional to 7,881,710.70, 11,822,566.05 and 5,189,076.30

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Solution

The fourth proportional to 7,881,710.70, 11,822,566.05 and 5,189,076.30 is: 7,783,614.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,881,710.70 : 11,822,566.05 = 5,189,076.30 : x
  2. Step 2: Convert to fraction form
    7,881,710.70/11,822,566.05 = 5,189,076.30/x
  3. Step 3: Cross multiply
    7,881,710.70x = 11,822,566.05 × 5,189,076.30
  4. Step 4: Simplify right side
    7,881,710.70x = 61,348,197,295,239.62
  5. Step 5: Solve for x
    x = 61,348,197,295,239.62/7,881,710.70
  6. Step 6: Final answer
    x = 7,783,614.45

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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.