Home / 7,977,816.12-11,960,062.74-3,715,790.52

Finding the Fourth Proportional to 7,977,816.12, 11,960,062.74 and 3,715,790.52

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Solution

The fourth proportional to 7,977,816.12, 11,960,062.74 and 3,715,790.52 is: 5,570,583.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,977,816.12 : 11,960,062.74 = 3,715,790.52 : x
  2. Step 2: Convert to fraction form
    7,977,816.12/11,960,062.74 = 3,715,790.52/x
  3. Step 3: Cross multiply
    7,977,816.12x = 11,960,062.74 × 3,715,790.52
  4. Step 4: Simplify right side
    7,977,816.12x = 44,441,087,747,897.23
  5. Step 5: Solve for x
    x = 44,441,087,747,897.23/7,977,816.12
  6. Step 6: Final answer
    x = 5,570,583.11

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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.