Home / 15,501,811.80-23,210,727.30-12,142,579.80

Finding the Fourth Proportional to 15,501,811.80, 23,210,727.30 and 12,142,579.80

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Solution

The fourth proportional to 15,501,811.80, 23,210,727.30 and 12,142,579.80 is: 18,180,978.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,501,811.80 : 23,210,727.30 = 12,142,579.80 : x
  2. Step 2: Convert to fraction form
    15,501,811.80/23,210,727.30 = 12,142,579.80/x
  3. Step 3: Cross multiply
    15,501,811.80x = 23,210,727.30 × 12,142,579.80
  4. Step 4: Simplify right side
    15,501,811.80x = 281,838,108,456,288.56
  5. Step 5: Solve for x
    x = 281,838,108,456,288.56/15,501,811.80
  6. Step 6: Final answer
    x = 18,180,978.59

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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.