Home / 13,558,107.84-20,410,461.06-12,351,439.68

Finding the Fourth Proportional to 13,558,107.84, 20,410,461.06 and 12,351,439.68

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Solution

The fourth proportional to 13,558,107.84, 20,410,461.06 and 12,351,439.68 is: 18,593,935.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,558,107.84 : 20,410,461.06 = 12,351,439.68 : x
  2. Step 2: Convert to fraction form
    13,558,107.84/20,410,461.06 = 12,351,439.68/x
  3. Step 3: Cross multiply
    13,558,107.84x = 20,410,461.06 × 12,351,439.68
  4. Step 4: Simplify right side
    13,558,107.84x = 252,098,578,623,578.84
  5. Step 5: Solve for x
    x = 252,098,578,623,578.84/13,558,107.84
  6. Step 6: Final answer
    x = 18,593,935.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.