Home / 7,680,253.74-11,520,822.69-2,887,984.50

Finding the Fourth Proportional to 7,680,253.74, 11,520,822.69 and 2,887,984.50

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Solution

The fourth proportional to 7,680,253.74, 11,520,822.69 and 2,887,984.50 is: 4,332,142.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,680,253.74 : 11,520,822.69 = 2,887,984.50 : x
  2. Step 2: Convert to fraction form
    7,680,253.74/11,520,822.69 = 2,887,984.50/x
  3. Step 3: Cross multiply
    7,680,253.74x = 11,520,822.69 × 2,887,984.50
  4. Step 4: Simplify right side
    7,680,253.74x = 33,271,957,355,968.30
  5. Step 5: Solve for x
    x = 33,271,957,355,968.30/7,680,253.74
  6. Step 6: Final answer
    x = 4,332,142.98

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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.