Home / 12,085,329.60-16,678,510.20-6,652,821.60

Finding the Fourth Proportional to 12,085,329.60, 16,678,510.20 and 6,652,821.60

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Solution

The fourth proportional to 12,085,329.60, 16,678,510.20 and 6,652,821.60 is: 9,181,309.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,085,329.60 : 16,678,510.20 = 6,652,821.60 : x
  2. Step 2: Convert to fraction form
    12,085,329.60/16,678,510.20 = 6,652,821.60/x
  3. Step 3: Cross multiply
    12,085,329.60x = 16,678,510.20 × 6,652,821.60
  4. Step 4: Simplify right side
    12,085,329.60x = 110,959,152,914,380.31
  5. Step 5: Solve for x
    x = 110,959,152,914,380.31/12,085,329.60
  6. Step 6: Final answer
    x = 9,181,309.62

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1.5x scale

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.