Home / 16,404,879.51-22,639,381.34-9,435,545.96

Finding the Fourth Proportional to 16,404,879.51, 22,639,381.34 and 9,435,545.96

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Solution

The fourth proportional to 16,404,879.51, 22,639,381.34 and 9,435,545.96 is: 13,021,425.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,404,879.51 : 22,639,381.34 = 9,435,545.96 : x
  2. Step 2: Convert to fraction form
    16,404,879.51/22,639,381.34 = 9,435,545.96/x
  3. Step 3: Cross multiply
    16,404,879.51x = 22,639,381.34 × 9,435,545.96
  4. Step 4: Simplify right side
    16,404,879.51x = 213,614,922,979,161.75
  5. Step 5: Solve for x
    x = 213,614,922,979,161.75/16,404,879.51
  6. Step 6: Final answer
    x = 13,021,425.90

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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.