Home / 8,321,768.40-12,484,018.80-2,564,503.02

Finding the Fourth Proportional to 8,321,768.40, 12,484,018.80 and 2,564,503.02

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Solution

The fourth proportional to 8,321,768.40, 12,484,018.80 and 2,564,503.02 is: 3,847,175.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,321,768.40 : 12,484,018.80 = 2,564,503.02 : x
  2. Step 2: Convert to fraction form
    8,321,768.40/12,484,018.80 = 2,564,503.02/x
  3. Step 3: Cross multiply
    8,321,768.40x = 12,484,018.80 × 2,564,503.02
  4. Step 4: Simplify right side
    8,321,768.40x = 32,015,303,914,336.78
  5. Step 5: Solve for x
    x = 32,015,303,914,336.78/8,321,768.40
  6. Step 6: Final answer
    x = 3,847,175.55

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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.