Home / 13,770,786.10-20,655,431.63-4,185,417.28

Finding the Fourth Proportional to 13,770,786.10, 20,655,431.63 and 4,185,417.28

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Solution

The fourth proportional to 13,770,786.10, 20,655,431.63 and 4,185,417.28 is: 6,277,898.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,770,786.10 : 20,655,431.63 = 4,185,417.28 : x
  2. Step 2: Convert to fraction form
    13,770,786.10/20,655,431.63 = 4,185,417.28/x
  3. Step 3: Cross multiply
    13,770,786.10x = 20,655,431.63 × 4,185,417.28
  4. Step 4: Simplify right side
    13,770,786.10x = 86,451,600,470,060.56
  5. Step 5: Solve for x
    x = 86,451,600,470,060.56/13,770,786.10
  6. Step 6: Final answer
    x = 6,277,898.72

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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.