Home / 8,143,074.39-12,215,031.98-2,077,859.19

Finding the Fourth Proportional to 8,143,074.39, 12,215,031.98 and 2,077,859.19

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Solution

The fourth proportional to 8,143,074.39, 12,215,031.98 and 2,077,859.19 is: 3,116,896.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,143,074.39 : 12,215,031.98 = 2,077,859.19 : x
  2. Step 2: Convert to fraction form
    8,143,074.39/12,215,031.98 = 2,077,859.19/x
  3. Step 3: Cross multiply
    8,143,074.39x = 12,215,031.98 × 2,077,859.19
  4. Step 4: Simplify right side
    8,143,074.39x = 25,381,116,445,397.60
  5. Step 5: Solve for x
    x = 25,381,116,445,397.60/8,143,074.39
  6. Step 6: Final answer
    x = 3,116,896.06

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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.