Home / 7,870,005.27-11,808,438.66-2,756,103.68

Finding the Fourth Proportional to 7,870,005.27, 11,808,438.66 and 2,756,103.68

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Solution

The fourth proportional to 7,870,005.27, 11,808,438.66 and 2,756,103.68 is: 4,135,356.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,870,005.27 : 11,808,438.66 = 2,756,103.68 : x
  2. Step 2: Convert to fraction form
    7,870,005.27/11,808,438.66 = 2,756,103.68/x
  3. Step 3: Cross multiply
    7,870,005.27x = 11,808,438.66 × 2,756,103.68
  4. Step 4: Simplify right side
    7,870,005.27x = 32,545,281,275,401.37
  5. Step 5: Solve for x
    x = 32,545,281,275,401.37/7,870,005.27
  6. Step 6: Final answer
    x = 4,135,356.99

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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.