Home / 18,219,114.60-27,328,671.90-4,755,942.60

Finding the Fourth Proportional to 18,219,114.60, 27,328,671.90 and 4,755,942.60

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Solution

The fourth proportional to 18,219,114.60, 27,328,671.90 and 4,755,942.60 is: 7,133,913.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,219,114.60 : 27,328,671.90 = 4,755,942.60 : x
  2. Step 2: Convert to fraction form
    18,219,114.60/27,328,671.90 = 4,755,942.60/x
  3. Step 3: Cross multiply
    18,219,114.60x = 27,328,671.90 × 4,755,942.60
  4. Step 4: Simplify right side
    18,219,114.60x = 129,973,594,890,632.92
  5. Step 5: Solve for x
    x = 129,973,594,890,632.92/18,219,114.60
  6. Step 6: Final answer
    x = 7,133,913.90

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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.