Home / 6,780,903.40-10,187,943.90-5,101,287.40

Finding the Fourth Proportional to 6,780,903.40, 10,187,943.90 and 5,101,287.40

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Solution

The fourth proportional to 6,780,903.40, 10,187,943.90 and 5,101,287.40 is: 7,664,410.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,780,903.40 : 10,187,943.90 = 5,101,287.40 : x
  2. Step 2: Convert to fraction form
    6,780,903.40/10,187,943.90 = 5,101,287.40/x
  3. Step 3: Cross multiply
    6,780,903.40x = 10,187,943.90 × 5,101,287.40
  4. Step 4: Simplify right side
    6,780,903.40x = 51,971,629,848,976.87
  5. Step 5: Solve for x
    x = 51,971,629,848,976.87/6,780,903.40
  6. Step 6: Final answer
    x = 7,664,410.89

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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.