Home / 7,951,862.80-11,927,794.20-1,968,230.80

Finding the Fourth Proportional to 7,951,862.80, 11,927,794.20 and 1,968,230.80

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Solution

The fourth proportional to 7,951,862.80, 11,927,794.20 and 1,968,230.80 is: 2,952,346.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,951,862.80 : 11,927,794.20 = 1,968,230.80 : x
  2. Step 2: Convert to fraction form
    7,951,862.80/11,927,794.20 = 1,968,230.80/x
  3. Step 3: Cross multiply
    7,951,862.80x = 11,927,794.20 × 1,968,230.80
  4. Step 4: Simplify right side
    7,951,862.80x = 23,476,651,920,501.36
  5. Step 5: Solve for x
    x = 23,476,651,920,501.36/7,951,862.80
  6. Step 6: Final answer
    x = 2,952,346.20

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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.