Home / 31,778,709.80-43,852,197.90-17,837,371.10

Finding the Fourth Proportional to 31,778,709.80, 43,852,197.90 and 17,837,371.10

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Solution

The fourth proportional to 31,778,709.80, 43,852,197.90 and 17,837,371.10 is: 24,614,212.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,778,709.80 : 43,852,197.90 = 17,837,371.10 : x
  2. Step 2: Convert to fraction form
    31,778,709.80/43,852,197.90 = 17,837,371.10/x
  3. Step 3: Cross multiply
    31,778,709.80x = 43,852,197.90 × 17,837,371.10
  4. Step 4: Simplify right side
    31,778,709.80x = 782,207,927,371,235.25
  5. Step 5: Solve for x
    x = 782,207,927,371,235.25/31,778,709.80
  6. Step 6: Final answer
    x = 24,614,212.86

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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.