Home / 13,785,465.09-20,678,187.90-6,203,573.49

Finding the Fourth Proportional to 13,785,465.09, 20,678,187.90 and 6,203,573.49

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Solution

The fourth proportional to 13,785,465.09, 20,678,187.90 and 6,203,573.49 is: 9,305,355.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,785,465.09 : 20,678,187.90 = 6,203,573.49 : x
  2. Step 2: Convert to fraction form
    13,785,465.09/20,678,187.90 = 6,203,573.49/x
  3. Step 3: Cross multiply
    13,785,465.09x = 20,678,187.90 × 6,203,573.49
  4. Step 4: Simplify right side
    13,785,465.09x = 128,278,658,277,678.77
  5. Step 5: Solve for x
    x = 128,278,658,277,678.77/13,785,465.09
  6. Step 6: Final answer
    x = 9,305,355.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.