Home / 23,190,641.60-34,785,962.40-21,206,595.20

Finding the Fourth Proportional to 23,190,641.60, 34,785,962.40 and 21,206,595.20

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Solution

The fourth proportional to 23,190,641.60, 34,785,962.40 and 21,206,595.20 is: 31,809,892.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,190,641.60 : 34,785,962.40 = 21,206,595.20 : x
  2. Step 2: Convert to fraction form
    23,190,641.60/34,785,962.40 = 21,206,595.20/x
  3. Step 3: Cross multiply
    23,190,641.60x = 34,785,962.40 × 21,206,595.20
  4. Step 4: Simplify right side
    23,190,641.60x = 737,691,823,259,220.38
  5. Step 5: Solve for x
    x = 737,691,823,259,220.38/23,190,641.60
  6. Step 6: Final answer
    x = 31,809,892.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.