Home / 8,006,109.80-12,009,192.78-1,940,816.84

Finding the Fourth Proportional to 8,006,109.80, 12,009,192.78 and 1,940,816.84

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Solution

The fourth proportional to 8,006,109.80, 12,009,192.78 and 1,940,816.84 is: 2,911,232.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,006,109.80 : 12,009,192.78 = 1,940,816.84 : x
  2. Step 2: Convert to fraction form
    8,006,109.80/12,009,192.78 = 1,940,816.84/x
  3. Step 3: Cross multiply
    8,006,109.80x = 12,009,192.78 × 1,940,816.84
  4. Step 4: Simplify right side
    8,006,109.80x = 23,307,643,582,230.41
  5. Step 5: Solve for x
    x = 23,307,643,582,230.41/8,006,109.80
  6. Step 6: Final answer
    x = 2,911,232.07

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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.