Home / 8,143,277.76-12,215,557.44-2,159,645.76

Finding the Fourth Proportional to 8,143,277.76, 12,215,557.44 and 2,159,645.76

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Solution

The fourth proportional to 8,143,277.76, 12,215,557.44 and 2,159,645.76 is: 3,239,638.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,143,277.76 : 12,215,557.44 = 2,159,645.76 : x
  2. Step 2: Convert to fraction form
    8,143,277.76/12,215,557.44 = 2,159,645.76/x
  3. Step 3: Cross multiply
    8,143,277.76x = 12,215,557.44 × 2,159,645.76
  4. Step 4: Simplify right side
    8,143,277.76x = 26,381,276,831,332.45
  5. Step 5: Solve for x
    x = 26,381,276,831,332.45/8,143,277.76
  6. Step 6: Final answer
    x = 3,239,638.58

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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.