Home / 8,653,688.89-11,930,404.61-5,550,825.53

Finding the Fourth Proportional to 8,653,688.89, 11,930,404.61 and 5,550,825.53

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Solution

The fourth proportional to 8,653,688.89, 11,930,404.61 and 5,550,825.53 is: 7,652,643.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,653,688.89 : 11,930,404.61 = 5,550,825.53 : x
  2. Step 2: Convert to fraction form
    8,653,688.89/11,930,404.61 = 5,550,825.53/x
  3. Step 3: Cross multiply
    8,653,688.89x = 11,930,404.61 × 5,550,825.53
  4. Step 4: Simplify right side
    8,653,688.89x = 66,223,594,536,120.77
  5. Step 5: Solve for x
    x = 66,223,594,536,120.77/8,653,688.89
  6. Step 6: Final answer
    x = 7,652,643.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.