Home / 20,777,496.64-31,166,245.23-5,631,428.14

Finding the Fourth Proportional to 20,777,496.64, 31,166,245.23 and 5,631,428.14

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Solution

The fourth proportional to 20,777,496.64, 31,166,245.23 and 5,631,428.14 is: 8,447,142.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,777,496.64 : 31,166,245.23 = 5,631,428.14 : x
  2. Step 2: Convert to fraction form
    20,777,496.64/31,166,245.23 = 5,631,428.14/x
  3. Step 3: Cross multiply
    20,777,496.64x = 31,166,245.23 × 5,631,428.14
  4. Step 4: Simplify right side
    20,777,496.64x = 175,510,470,406,362.75
  5. Step 5: Solve for x
    x = 175,510,470,406,362.75/20,777,496.64
  6. Step 6: Final answer
    x = 8,447,142.28

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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.