Home / 12,282,769.32-18,399,479.70-6,116,172.96

Finding the Fourth Proportional to 12,282,769.32, 18,399,479.70 and 6,116,172.96

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Solution

The fourth proportional to 12,282,769.32, 18,399,479.70 and 6,116,172.96 is: 9,161,972.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,282,769.32 : 18,399,479.70 = 6,116,172.96 : x
  2. Step 2: Convert to fraction form
    12,282,769.32/18,399,479.70 = 6,116,172.96/x
  3. Step 3: Cross multiply
    12,282,769.32x = 18,399,479.70 × 6,116,172.96
  4. Step 4: Simplify right side
    12,282,769.32x = 112,534,400,219,208.91
  5. Step 5: Solve for x
    x = 112,534,400,219,208.91/12,282,769.32
  6. Step 6: Final answer
    x = 9,161,972.95

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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.