Home / 14,001,903.70-21,002,855.55-8,238,721.30

Finding the Fourth Proportional to 14,001,903.70, 21,002,855.55 and 8,238,721.30

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Solution

The fourth proportional to 14,001,903.70, 21,002,855.55 and 8,238,721.30 is: 12,358,081.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,001,903.70 : 21,002,855.55 = 8,238,721.30 : x
  2. Step 2: Convert to fraction form
    14,001,903.70/21,002,855.55 = 8,238,721.30/x
  3. Step 3: Cross multiply
    14,001,903.70x = 21,002,855.55 × 8,238,721.30
  4. Step 4: Simplify right side
    14,001,903.70x = 173,036,673,380,608.22
  5. Step 5: Solve for x
    x = 173,036,673,380,608.22/14,001,903.70
  6. Step 6: Final answer
    x = 12,358,081.95

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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.