Home / 22,785,780.92-31,443,595.26-12,999,393.32

Finding the Fourth Proportional to 22,785,780.92, 31,443,595.26 and 12,999,393.32

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Solution

The fourth proportional to 22,785,780.92, 31,443,595.26 and 12,999,393.32 is: 17,938,716.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,785,780.92 : 31,443,595.26 = 12,999,393.32 : x
  2. Step 2: Convert to fraction form
    22,785,780.92/31,443,595.26 = 12,999,393.32/x
  3. Step 3: Cross multiply
    22,785,780.92x = 31,443,595.26 × 12,999,393.32
  4. Step 4: Simplify right side
    22,785,780.92x = 408,747,662,179,627.69
  5. Step 5: Solve for x
    x = 408,747,662,179,627.69/22,785,780.92
  6. Step 6: Final answer
    x = 17,938,716.41

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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.