Home / 18,468,000.70-27,702,001.05-8,878,443.10

Finding the Fourth Proportional to 18,468,000.70, 27,702,001.05 and 8,878,443.10

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Solution

The fourth proportional to 18,468,000.70, 27,702,001.05 and 8,878,443.10 is: 13,317,664.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,468,000.70 : 27,702,001.05 = 8,878,443.10 : x
  2. Step 2: Convert to fraction form
    18,468,000.70/27,702,001.05 = 8,878,443.10/x
  3. Step 3: Cross multiply
    18,468,000.70x = 27,702,001.05 × 8,878,443.10
  4. Step 4: Simplify right side
    18,468,000.70x = 245,950,640,078,565.25
  5. Step 5: Solve for x
    x = 245,950,640,078,565.25/18,468,000.70
  6. Step 6: Final answer
    x = 13,317,664.65

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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.