Home / 20,178,669.60-27,846,334.80-11,011,468.32

Finding the Fourth Proportional to 20,178,669.60, 27,846,334.80 and 11,011,468.32

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Solution

The fourth proportional to 20,178,669.60, 27,846,334.80 and 11,011,468.32 is: 15,195,701.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,178,669.60 : 27,846,334.80 = 11,011,468.32 : x
  2. Step 2: Convert to fraction form
    20,178,669.60/27,846,334.80 = 11,011,468.32/x
  3. Step 3: Cross multiply
    20,178,669.60x = 27,846,334.80 × 11,011,468.32
  4. Step 4: Simplify right side
    20,178,669.60x = 306,629,033,478,313.56
  5. Step 5: Solve for x
    x = 306,629,033,478,313.56/20,178,669.60
  6. Step 6: Final answer
    x = 15,195,701.18

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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.