Home / 12,687,804.70-17,508,701.41-6,886,462.79

Finding the Fourth Proportional to 12,687,804.70, 17,508,701.41 and 6,886,462.79

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Solution

The fourth proportional to 12,687,804.70, 17,508,701.41 and 6,886,462.79 is: 9,503,064.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,687,804.70 : 17,508,701.41 = 6,886,462.79 : x
  2. Step 2: Convert to fraction form
    12,687,804.70/17,508,701.41 = 6,886,462.79/x
  3. Step 3: Cross multiply
    12,687,804.70x = 17,508,701.41 × 6,886,462.79
  4. Step 4: Simplify right side
    12,687,804.70x = 120,573,020,787,741.12
  5. Step 5: Solve for x
    x = 120,573,020,787,741.12/12,687,804.70
  6. Step 6: Final answer
    x = 9,503,064.06

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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.