Home / 21,206,750.40-31,819,456.80-9,841,348.80

Finding the Fourth Proportional to 21,206,750.40, 31,819,456.80 and 9,841,348.80

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Solution

The fourth proportional to 21,206,750.40, 31,819,456.80 and 9,841,348.80 is: 14,766,353.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,206,750.40 : 31,819,456.80 = 9,841,348.80 : x
  2. Step 2: Convert to fraction form
    21,206,750.40/31,819,456.80 = 9,841,348.80/x
  3. Step 3: Cross multiply
    21,206,750.40x = 31,819,456.80 × 9,841,348.80
  4. Step 4: Simplify right side
    21,206,750.40x = 313,146,372,995,331.88
  5. Step 5: Solve for x
    x = 313,146,372,995,331.88/21,206,750.40
  6. Step 6: Final answer
    x = 14,766,353.50

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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.