Home / 40,001,573.50-55,202,173.32-21,666,859

Finding the Fourth Proportional to 40,001,573.50, 55,202,173.32 and 21,666,859

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Solution

The fourth proportional to 40,001,573.50, 55,202,173.32 and 21,666,859 is: 29,900,266.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,001,573.50 : 55,202,173.32 = 21,666,859 : x
  2. Step 2: Convert to fraction form
    40,001,573.50/55,202,173.32 = 21,666,859/x
  3. Step 3: Cross multiply
    40,001,573.50x = 55,202,173.32 × 21,666,859
  4. Step 4: Simplify right side
    40,001,573.50x = 1,196,057,705,818,002
  5. Step 5: Solve for x
    x = 1,196,057,705,818,002/40,001,573.50
  6. Step 6: Final answer
    x = 29,900,266.44

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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.