Home / 13,590,955.37-20,362,518.17-12,781,836.65

Finding the Fourth Proportional to 13,590,955.37, 20,362,518.17 and 12,781,836.65

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Solution

The fourth proportional to 13,590,955.37, 20,362,518.17 and 12,781,836.65 is: 19,150,263.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,590,955.37 : 20,362,518.17 = 12,781,836.65 : x
  2. Step 2: Convert to fraction form
    13,590,955.37/20,362,518.17 = 12,781,836.65/x
  3. Step 3: Cross multiply
    13,590,955.37x = 20,362,518.17 × 12,781,836.65
  4. Step 4: Simplify right side
    13,590,955.37x = 260,270,380,967,687.75
  5. Step 5: Solve for x
    x = 260,270,380,967,687.75/13,590,955.37
  6. Step 6: Final answer
    x = 19,150,263.82

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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.