Home / 18,593,936.40-27,890,904.60-6,459,366.90

Finding the Fourth Proportional to 18,593,936.40, 27,890,904.60 and 6,459,366.90

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Solution

The fourth proportional to 18,593,936.40, 27,890,904.60 and 6,459,366.90 is: 9,689,050.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,593,936.40 : 27,890,904.60 = 6,459,366.90 : x
  2. Step 2: Convert to fraction form
    18,593,936.40/27,890,904.60 = 6,459,366.90/x
  3. Step 3: Cross multiply
    18,593,936.40x = 27,890,904.60 × 6,459,366.90
  4. Step 4: Simplify right side
    18,593,936.40x = 180,157,585,984,297.75
  5. Step 5: Solve for x
    x = 180,157,585,984,297.75/18,593,936.40
  6. Step 6: Final answer
    x = 9,689,050.35

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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.