Home / 8,785,490.40-13,172,014.80-3,392,056.80

Finding the Fourth Proportional to 8,785,490.40, 13,172,014.80 and 3,392,056.80

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Solution

The fourth proportional to 8,785,490.40, 13,172,014.80 and 3,392,056.80 is: 5,085,683.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,785,490.40 : 13,172,014.80 = 3,392,056.80 : x
  2. Step 2: Convert to fraction form
    8,785,490.40/13,172,014.80 = 3,392,056.80/x
  3. Step 3: Cross multiply
    8,785,490.40x = 13,172,014.80 × 3,392,056.80
  4. Step 4: Simplify right side
    8,785,490.40x = 44,680,222,372,040.64
  5. Step 5: Solve for x
    x = 44,680,222,372,040.64/8,785,490.40
  6. Step 6: Final answer
    x = 5,085,683.36

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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.