Home / 7,991,116.90-11,982,948.70-4,151,907.22

Finding the Fourth Proportional to 7,991,116.90, 11,982,948.70 and 4,151,907.22

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Solution

The fourth proportional to 7,991,116.90, 11,982,948.70 and 4,151,907.22 is: 6,225,924.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,991,116.90 : 11,982,948.70 = 4,151,907.22 : x
  2. Step 2: Convert to fraction form
    7,991,116.90/11,982,948.70 = 4,151,907.22/x
  3. Step 3: Cross multiply
    7,991,116.90x = 11,982,948.70 × 4,151,907.22
  4. Step 4: Simplify right side
    7,991,116.90x = 49,752,091,224,419.62
  5. Step 5: Solve for x
    x = 49,752,091,224,419.62/7,991,116.90
  6. Step 6: Final answer
    x = 6,225,924.59

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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.