Home / 7,870,000.27-11,808,431.16-2,756,098.69

Finding the Fourth Proportional to 7,870,000.27, 11,808,431.16 and 2,756,098.69

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Solution

The fourth proportional to 7,870,000.27, 11,808,431.16 and 2,756,098.69 is: 4,135,349.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,870,000.27 : 11,808,431.16 = 2,756,098.69 : x
  2. Step 2: Convert to fraction form
    7,870,000.27/11,808,431.16 = 2,756,098.69/x
  3. Step 3: Cross multiply
    7,870,000.27x = 11,808,431.16 × 2,756,098.69
  4. Step 4: Simplify right side
    7,870,000.27x = 32,545,201,651,031.18
  5. Step 5: Solve for x
    x = 32,545,201,651,031.18/7,870,000.27
  6. Step 6: Final answer
    x = 4,135,349.50

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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.