Home / 13,727,552.32-18,944,028.20-7,615,980.82

Finding the Fourth Proportional to 13,727,552.32, 18,944,028.20 and 7,615,980.82

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Solution

The fourth proportional to 13,727,552.32, 18,944,028.20 and 7,615,980.82 is: 10,510,056.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,727,552.32 : 18,944,028.20 = 7,615,980.82 : x
  2. Step 2: Convert to fraction form
    13,727,552.32/18,944,028.20 = 7,615,980.82/x
  3. Step 3: Cross multiply
    13,727,552.32x = 18,944,028.20 × 7,615,980.82
  4. Step 4: Simplify right side
    13,727,552.32x = 144,277,355,291,939.09
  5. Step 5: Solve for x
    x = 144,277,355,291,939.09/13,727,552.32
  6. Step 6: Final answer
    x = 10,510,056.85

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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.