Home / 22,143,989.20-33,215,983.80-6,997,920.70

Finding the Fourth Proportional to 22,143,989.20, 33,215,983.80 and 6,997,920.70

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Solution

The fourth proportional to 22,143,989.20, 33,215,983.80 and 6,997,920.70 is: 10,496,881.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,143,989.20 : 33,215,983.80 = 6,997,920.70 : x
  2. Step 2: Convert to fraction form
    22,143,989.20/33,215,983.80 = 6,997,920.70/x
  3. Step 3: Cross multiply
    22,143,989.20x = 33,215,983.80 × 6,997,920.70
  4. Step 4: Simplify right side
    22,143,989.20x = 232,442,820,604,884.66
  5. Step 5: Solve for x
    x = 232,442,820,604,884.66/22,143,989.20
  6. Step 6: Final answer
    x = 10,496,881.05

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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.