Home / 7,820,905.56-11,732,112.50-2,428,108

Finding the Fourth Proportional to 7,820,905.56, 11,732,112.50 and 2,428,108

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Solution

The fourth proportional to 7,820,905.56, 11,732,112.50 and 2,428,108 is: 3,642,396.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,820,905.56 : 11,732,112.50 = 2,428,108 : x
  2. Step 2: Convert to fraction form
    7,820,905.56/11,732,112.50 = 2,428,108/x
  3. Step 3: Cross multiply
    7,820,905.56x = 11,732,112.50 × 2,428,108
  4. Step 4: Simplify right side
    7,820,905.56x = 28,486,836,218,150
  5. Step 5: Solve for x
    x = 28,486,836,218,150/7,820,905.56
  6. Step 6: Final answer
    x = 3,642,396.14

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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.