Home / 8,643,658.73-11,928,929.30-4,922,646.78

Finding the Fourth Proportional to 8,643,658.73, 11,928,929.30 and 4,922,646.78

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Solution

The fourth proportional to 8,643,658.73, 11,928,929.30 and 4,922,646.78 is: 6,793,639.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,643,658.73 : 11,928,929.30 = 4,922,646.78 : x
  2. Step 2: Convert to fraction form
    8,643,658.73/11,928,929.30 = 4,922,646.78/x
  3. Step 3: Cross multiply
    8,643,658.73x = 11,928,929.30 × 4,922,646.78
  4. Step 4: Simplify right side
    8,643,658.73x = 58,721,905,382,879.42
  5. Step 5: Solve for x
    x = 58,721,905,382,879.42/8,643,658.73
  6. Step 6: Final answer
    x = 6,793,639.97

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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.