Home / 20,417,252.46-30,640,023.09-8,119,955.58

Finding the Fourth Proportional to 20,417,252.46, 30,640,023.09 and 8,119,955.58

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Solution

The fourth proportional to 20,417,252.46, 30,640,023.09 and 8,119,955.58 is: 12,185,558.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,417,252.46 : 30,640,023.09 = 8,119,955.58 : x
  2. Step 2: Convert to fraction form
    20,417,252.46/30,640,023.09 = 8,119,955.58/x
  3. Step 3: Cross multiply
    20,417,252.46x = 30,640,023.09 × 8,119,955.58
  4. Step 4: Simplify right side
    20,417,252.46x = 248,795,626,460,974.34
  5. Step 5: Solve for x
    x = 248,795,626,460,974.34/20,417,252.46
  6. Step 6: Final answer
    x = 12,185,558.61

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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.