Home / 12,415,405.74-18,623,895.57-3,896,078.46

Finding the Fourth Proportional to 12,415,405.74, 18,623,895.57 and 3,896,078.46

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Solution

The fourth proportional to 12,415,405.74, 18,623,895.57 and 3,896,078.46 is: 5,844,364.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,415,405.74 : 18,623,895.57 = 3,896,078.46 : x
  2. Step 2: Convert to fraction form
    12,415,405.74/18,623,895.57 = 3,896,078.46/x
  3. Step 3: Cross multiply
    12,415,405.74x = 18,623,895.57 × 3,896,078.46
  4. Step 4: Simplify right side
    12,415,405.74x = 72,560,158,371,566.42
  5. Step 5: Solve for x
    x = 72,560,158,371,566.42/12,415,405.74
  6. Step 6: Final answer
    x = 5,844,364.65

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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.