Home / 19,208,280.28-28,812,469.32-7,848,728.92

Finding the Fourth Proportional to 19,208,280.28, 28,812,469.32 and 7,848,728.92

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Solution

The fourth proportional to 19,208,280.28, 28,812,469.32 and 7,848,728.92 is: 11,773,113.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,208,280.28 : 28,812,469.32 = 7,848,728.92 : x
  2. Step 2: Convert to fraction form
    19,208,280.28/28,812,469.32 = 7,848,728.92/x
  3. Step 3: Cross multiply
    19,208,280.28x = 28,812,469.32 × 7,848,728.92
  4. Step 4: Simplify right side
    19,208,280.28x = 226,141,261,208,496.75
  5. Step 5: Solve for x
    x = 226,141,261,208,496.75/19,208,280.28
  6. Step 6: Final answer
    x = 11,773,113.36

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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.