Home / 13,558,324.38-18,705,935.16-7,677,154.77

Finding the Fourth Proportional to 13,558,324.38, 18,705,935.16 and 7,677,154.77

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Solution

The fourth proportional to 13,558,324.38, 18,705,935.16 and 7,677,154.77 is: 10,591,895.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,558,324.38 : 18,705,935.16 = 7,677,154.77 : x
  2. Step 2: Convert to fraction form
    13,558,324.38/18,705,935.16 = 7,677,154.77/x
  3. Step 3: Cross multiply
    13,558,324.38x = 18,705,935.16 × 7,677,154.77
  4. Step 4: Simplify right side
    13,558,324.38x = 143,608,359,340,904.72
  5. Step 5: Solve for x
    x = 143,608,359,340,904.72/13,558,324.38
  6. Step 6: Final answer
    x = 10,591,895.82

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1.5x scale

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.