Home / 9,116,639.72-12,580,814.78-4,986,634.73

Finding the Fourth Proportional to 9,116,639.72, 12,580,814.78 and 4,986,634.73

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Solution

The fourth proportional to 9,116,639.72, 12,580,814.78 and 4,986,634.73 is: 6,881,474.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,116,639.72 : 12,580,814.78 = 4,986,634.73 : x
  2. Step 2: Convert to fraction form
    9,116,639.72/12,580,814.78 = 4,986,634.73/x
  3. Step 3: Cross multiply
    9,116,639.72x = 12,580,814.78 × 4,986,634.73
  4. Step 4: Simplify right side
    9,116,639.72x = 62,735,927,888,712.14
  5. Step 5: Solve for x
    x = 62,735,927,888,712.14/9,116,639.72
  6. Step 6: Final answer
    x = 6,881,474.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.