Home / 12,620,431.53-18,932,604.59-5,333,921.96

Finding the Fourth Proportional to 12,620,431.53, 18,932,604.59 and 5,333,921.96

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Solution

The fourth proportional to 12,620,431.53, 18,932,604.59 and 5,333,921.96 is: 8,001,710.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,620,431.53 : 18,932,604.59 = 5,333,921.96 : x
  2. Step 2: Convert to fraction form
    12,620,431.53/18,932,604.59 = 5,333,921.96/x
  3. Step 3: Cross multiply
    12,620,431.53x = 18,932,604.59 × 5,333,921.96
  4. Step 4: Simplify right side
    12,620,431.53x = 100,985,035,301,269.59
  5. Step 5: Solve for x
    x = 100,985,035,301,269.59/12,620,431.53
  6. Step 6: Final answer
    x = 8,001,710.17

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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.