Home / 19,229,972.43-28,848,807.75-7,099,509.63

Finding the Fourth Proportional to 19,229,972.43, 28,848,807.75 and 7,099,509.63

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Solution

The fourth proportional to 19,229,972.43, 28,848,807.75 and 7,099,509.63 is: 10,650,685.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,229,972.43 : 28,848,807.75 = 7,099,509.63 : x
  2. Step 2: Convert to fraction form
    19,229,972.43/28,848,807.75 = 7,099,509.63/x
  3. Step 3: Cross multiply
    19,229,972.43x = 28,848,807.75 × 7,099,509.63
  4. Step 4: Simplify right side
    19,229,972.43x = 204,812,388,435,143.62
  5. Step 5: Solve for x
    x = 204,812,388,435,143.62/19,229,972.43
  6. Step 6: Final answer
    x = 10,650,685.50

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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.