Home / 7,472,615.92-11,167,981.85-5,455,108.42

Finding the Fourth Proportional to 7,472,615.92, 11,167,981.85 and 5,455,108.42

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Solution

The fourth proportional to 7,472,615.92, 11,167,981.85 and 5,455,108.42 is: 8,152,774.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,472,615.92 : 11,167,981.85 = 5,455,108.42 : x
  2. Step 2: Convert to fraction form
    7,472,615.92/11,167,981.85 = 5,455,108.42/x
  3. Step 3: Cross multiply
    7,472,615.92x = 11,167,981.85 × 5,455,108.42
  4. Step 4: Simplify right side
    7,472,615.92x = 60,922,551,810,059.99
  5. Step 5: Solve for x
    x = 60,922,551,810,059.99/7,472,615.92
  6. Step 6: Final answer
    x = 8,152,774.41

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.