Home / 8,271,147.70-12,378,727.95-7,263,378.10

Finding the Fourth Proportional to 8,271,147.70, 12,378,727.95 and 7,263,378.10

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Solution

The fourth proportional to 8,271,147.70, 12,378,727.95 and 7,263,378.10 is: 10,870,484.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,271,147.70 : 12,378,727.95 = 7,263,378.10 : x
  2. Step 2: Convert to fraction form
    8,271,147.70/12,378,727.95 = 7,263,378.10/x
  3. Step 3: Cross multiply
    8,271,147.70x = 12,378,727.95 × 7,263,378.10
  4. Step 4: Simplify right side
    8,271,147.70x = 89,911,381,497,887.89
  5. Step 5: Solve for x
    x = 89,911,381,497,887.89/8,271,147.70
  6. Step 6: Final answer
    x = 10,870,484.33

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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.