Home / 18,709,553.22-28,066,990.14-5,756,777.88

Finding the Fourth Proportional to 18,709,553.22, 28,066,990.14 and 5,756,777.88

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Solution

The fourth proportional to 18,709,553.22, 28,066,990.14 and 5,756,777.88 is: 8,635,985.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,709,553.22 : 28,066,990.14 = 5,756,777.88 : x
  2. Step 2: Convert to fraction form
    18,709,553.22/28,066,990.14 = 5,756,777.88/x
  3. Step 3: Cross multiply
    18,709,553.22x = 28,066,990.14 × 5,756,777.88
  4. Step 4: Simplify right side
    18,709,553.22x = 161,575,427,996,130.09
  5. Step 5: Solve for x
    x = 161,575,427,996,130.09/18,709,553.22
  6. Step 6: Final answer
    x = 8,635,985.38

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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.