Home / 8,143,570.13-12,215,348.21-2,078,301.35

Finding the Fourth Proportional to 8,143,570.13, 12,215,348.21 and 2,078,301.35

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Solution

The fourth proportional to 8,143,570.13, 12,215,348.21 and 2,078,301.35 is: 3,117,450.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,143,570.13 : 12,215,348.21 = 2,078,301.35 : x
  2. Step 2: Convert to fraction form
    8,143,570.13/12,215,348.21 = 2,078,301.35/x
  3. Step 3: Cross multiply
    8,143,570.13x = 12,215,348.21 × 2,078,301.35
  4. Step 4: Simplify right side
    8,143,570.13x = 25,387,174,711,297.21
  5. Step 5: Solve for x
    x = 25,387,174,711,297.21/8,143,570.13
  6. Step 6: Final answer
    x = 3,117,450.25

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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.