Home / 7,210,032.77-9,949,844.48-3,946,849.71

Finding the Fourth Proportional to 7,210,032.77, 9,949,844.48 and 3,946,849.71

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Solution

The fourth proportional to 7,210,032.77, 9,949,844.48 and 3,946,849.71 is: 5,446,652.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,210,032.77 : 9,949,844.48 = 3,946,849.71 : x
  2. Step 2: Convert to fraction form
    7,210,032.77/9,949,844.48 = 3,946,849.71/x
  3. Step 3: Cross multiply
    7,210,032.77x = 9,949,844.48 × 3,946,849.71
  4. Step 4: Simplify right side
    7,210,032.77x = 39,270,540,780,698.85
  5. Step 5: Solve for x
    x = 39,270,540,780,698.85/7,210,032.77
  6. Step 6: Final answer
    x = 5,446,652.19

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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.