Home / 21,340,166.54-32,016,243.40-8,569,639.31

Finding the Fourth Proportional to 21,340,166.54, 32,016,243.40 and 8,569,639.31

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Solution

The fourth proportional to 21,340,166.54, 32,016,243.40 and 8,569,639.31 is: 12,856,865.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,340,166.54 : 32,016,243.40 = 8,569,639.31 : x
  2. Step 2: Convert to fraction form
    21,340,166.54/32,016,243.40 = 8,569,639.31/x
  3. Step 3: Cross multiply
    21,340,166.54x = 32,016,243.40 × 8,569,639.31
  4. Step 4: Simplify right side
    21,340,166.54x = 274,367,657,817,662.75
  5. Step 5: Solve for x
    x = 274,367,657,817,662.75/21,340,166.54
  6. Step 6: Final answer
    x = 12,856,865.82

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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.