Home / 21,061,957.44-31,594,160.88-5,917,069.92

Finding the Fourth Proportional to 21,061,957.44, 31,594,160.88 and 5,917,069.92

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Solution

The fourth proportional to 21,061,957.44, 31,594,160.88 and 5,917,069.92 is: 8,875,948.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,061,957.44 : 31,594,160.88 = 5,917,069.92 : x
  2. Step 2: Convert to fraction form
    21,061,957.44/31,594,160.88 = 5,917,069.92/x
  3. Step 3: Cross multiply
    21,061,957.44x = 31,594,160.88 × 5,917,069.92
  4. Step 4: Simplify right side
    21,061,957.44x = 186,944,858,990,688.72
  5. Step 5: Solve for x
    x = 186,944,858,990,688.72/21,061,957.44
  6. Step 6: Final answer
    x = 8,875,948.95

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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.