Home / 11,687,475.90-16,128,407.35-6,530,879.82

Finding the Fourth Proportional to 11,687,475.90, 16,128,407.35 and 6,530,879.82

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Solution

The fourth proportional to 11,687,475.90, 16,128,407.35 and 6,530,879.82 is: 9,012,441.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,687,475.90 : 16,128,407.35 = 6,530,879.82 : x
  2. Step 2: Convert to fraction form
    11,687,475.90/16,128,407.35 = 6,530,879.82/x
  3. Step 3: Cross multiply
    11,687,475.90x = 16,128,407.35 × 6,530,879.82
  4. Step 4: Simplify right side
    11,687,475.90x = 105,332,689,993,885.45
  5. Step 5: Solve for x
    x = 105,332,689,993,885.45/11,687,475.90
  6. Step 6: Final answer
    x = 9,012,441.26

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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.