Home / 12,242,140.15-18,347,463.83-7,444,736.95

Finding the Fourth Proportional to 12,242,140.15, 18,347,463.83 and 7,444,736.95

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Solution

The fourth proportional to 12,242,140.15, 18,347,463.83 and 7,444,736.95 is: 11,157,529.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,242,140.15 : 18,347,463.83 = 7,444,736.95 : x
  2. Step 2: Convert to fraction form
    12,242,140.15/18,347,463.83 = 7,444,736.95/x
  3. Step 3: Cross multiply
    12,242,140.15x = 18,347,463.83 × 7,444,736.95
  4. Step 4: Simplify right side
    12,242,140.15x = 136,592,041,876,765.83
  5. Step 5: Solve for x
    x = 136,592,041,876,765.83/12,242,140.15
  6. Step 6: Final answer
    x = 11,157,529.66

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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.