Home / 8,142,819.84-11,230,864.52-5,531,337.45

Finding the Fourth Proportional to 8,142,819.84, 11,230,864.52 and 5,531,337.45

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Solution

The fourth proportional to 8,142,819.84, 11,230,864.52 and 5,531,337.45 is: 7,629,015.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,142,819.84 : 11,230,864.52 = 5,531,337.45 : x
  2. Step 2: Convert to fraction form
    8,142,819.84/11,230,864.52 = 5,531,337.45/x
  3. Step 3: Cross multiply
    8,142,819.84x = 11,230,864.52 × 5,531,337.45
  4. Step 4: Simplify right side
    8,142,819.84x = 62,121,701,487,695.59
  5. Step 5: Solve for x
    x = 62,121,701,487,695.59/8,142,819.84
  6. Step 6: Final answer
    x = 7,629,015.83

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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.