Home / 6,210,005.05-9,315,007.58-5,217,981.85

Finding the Fourth Proportional to 6,210,005.05, 9,315,007.58 and 5,217,981.85

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Solution

The fourth proportional to 6,210,005.05, 9,315,007.58 and 5,217,981.85 is: 7,826,972.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,210,005.05 : 9,315,007.58 = 5,217,981.85 : x
  2. Step 2: Convert to fraction form
    6,210,005.05/9,315,007.58 = 5,217,981.85/x
  3. Step 3: Cross multiply
    6,210,005.05x = 9,315,007.58 × 5,217,981.85
  4. Step 4: Simplify right side
    6,210,005.05x = 48,605,540,458,962.51
  5. Step 5: Solve for x
    x = 48,605,540,458,962.51/6,210,005.05
  6. Step 6: Final answer
    x = 7,826,972.78

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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.