Home / 12,687,403.46-17,508,148.33-6,886,060.64

Finding the Fourth Proportional to 12,687,403.46, 17,508,148.33 and 6,886,060.64

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Solution

The fourth proportional to 12,687,403.46, 17,508,148.33 and 6,886,060.64 is: 9,502,509.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,687,403.46 : 17,508,148.33 = 6,886,060.64 : x
  2. Step 2: Convert to fraction form
    12,687,403.46/17,508,148.33 = 6,886,060.64/x
  3. Step 3: Cross multiply
    12,687,403.46x = 17,508,148.33 × 6,886,060.64
  4. Step 4: Simplify right side
    12,687,403.46x = 120,562,171,166,789.09
  5. Step 5: Solve for x
    x = 120,562,171,166,789.09/12,687,403.46
  6. Step 6: Final answer
    x = 9,502,509.44

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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.