Home / 12,291,208.30-18,426,400.89-5,098,252.78

Finding the Fourth Proportional to 12,291,208.30, 18,426,400.89 and 5,098,252.78

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Solution

The fourth proportional to 12,291,208.30, 18,426,400.89 and 5,098,252.78 is: 7,643,060.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,291,208.30 : 18,426,400.89 = 5,098,252.78 : x
  2. Step 2: Convert to fraction form
    12,291,208.30/18,426,400.89 = 5,098,252.78/x
  3. Step 3: Cross multiply
    12,291,208.30x = 18,426,400.89 × 5,098,252.78
  4. Step 4: Simplify right side
    12,291,208.30x = 93,942,449,562,836.98
  5. Step 5: Solve for x
    x = 93,942,449,562,836.98/12,291,208.30
  6. Step 6: Final answer
    x = 7,643,060.57

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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.