Home / 6,780,946.40-10,188,008.40-5,101,330.40

Finding the Fourth Proportional to 6,780,946.40, 10,188,008.40 and 5,101,330.40

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Solution

The fourth proportional to 6,780,946.40, 10,188,008.40 and 5,101,330.40 is: 7,664,475.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,780,946.40 : 10,188,008.40 = 5,101,330.40 : x
  2. Step 2: Convert to fraction form
    6,780,946.40/10,188,008.40 = 5,101,330.40/x
  3. Step 3: Cross multiply
    6,780,946.40x = 10,188,008.40 × 5,101,330.40
  4. Step 4: Simplify right side
    6,780,946.40x = 51,972,396,966,375.37
  5. Step 5: Solve for x
    x = 51,972,396,966,375.37/6,780,946.40
  6. Step 6: Final answer
    x = 7,664,475.41

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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.