Home / 30,455,912.82-45,695,832.12-13,404,631.98

Finding the Fourth Proportional to 30,455,912.82, 45,695,832.12 and 13,404,631.98

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Solution

The fourth proportional to 30,455,912.82, 45,695,832.12 and 13,404,631.98 is: 20,112,213.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,455,912.82 : 45,695,832.12 = 13,404,631.98 : x
  2. Step 2: Convert to fraction form
    30,455,912.82/45,695,832.12 = 13,404,631.98/x
  3. Step 3: Cross multiply
    30,455,912.82x = 45,695,832.12 × 13,404,631.98
  4. Step 4: Simplify right side
    30,455,912.82x = 612,535,812,588,463.12
  5. Step 5: Solve for x
    x = 612,535,812,588,463.12/30,455,912.82
  6. Step 6: Final answer
    x = 20,112,213.22

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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.