Home / 14,202,002.70-21,303,004.05-8,519,301.90

Finding the Fourth Proportional to 14,202,002.70, 21,303,004.05 and 8,519,301.90

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Solution

The fourth proportional to 14,202,002.70, 21,303,004.05 and 8,519,301.90 is: 12,778,952.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,202,002.70 : 21,303,004.05 = 8,519,301.90 : x
  2. Step 2: Convert to fraction form
    14,202,002.70/21,303,004.05 = 8,519,301.90/x
  3. Step 3: Cross multiply
    14,202,002.70x = 21,303,004.05 × 8,519,301.90
  4. Step 4: Simplify right side
    14,202,002.70x = 181,486,722,878,872.72
  5. Step 5: Solve for x
    x = 181,486,722,878,872.72/14,202,002.70
  6. Step 6: Final answer
    x = 12,778,952.85

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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.