Home / 7,760,821.60-11,641,232.40-7,601,389.30

Finding the Fourth Proportional to 7,760,821.60, 11,641,232.40 and 7,601,389.30

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Solution

The fourth proportional to 7,760,821.60, 11,641,232.40 and 7,601,389.30 is: 11,402,083.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,760,821.60 : 11,641,232.40 = 7,601,389.30 : x
  2. Step 2: Convert to fraction form
    7,760,821.60/11,641,232.40 = 7,601,389.30/x
  3. Step 3: Cross multiply
    7,760,821.60x = 11,641,232.40 × 7,601,389.30
  4. Step 4: Simplify right side
    7,760,821.60x = 88,489,539,404,173.33
  5. Step 5: Solve for x
    x = 88,489,539,404,173.33/7,760,821.60
  6. Step 6: Final answer
    x = 11,402,083.95

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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.