Home / 7,429,391.61-11,143,976.63-2,575,231.66

Finding the Fourth Proportional to 7,429,391.61, 11,143,976.63 and 2,575,231.66

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Solution

The fourth proportional to 7,429,391.61, 11,143,976.63 and 2,575,231.66 is: 3,862,809.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,429,391.61 : 11,143,976.63 = 2,575,231.66 : x
  2. Step 2: Convert to fraction form
    7,429,391.61/11,143,976.63 = 2,575,231.66/x
  3. Step 3: Cross multiply
    7,429,391.61x = 11,143,976.63 × 2,575,231.66
  4. Step 4: Simplify right side
    7,429,391.61x = 28,698,321,435,876.11
  5. Step 5: Solve for x
    x = 28,698,321,435,876.11/7,429,391.61
  6. Step 6: Final answer
    x = 3,862,809.09

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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.