Home / 20,437,554.57-30,621,629.03-12,333,500.93

Finding the Fourth Proportional to 20,437,554.57, 30,621,629.03 and 12,333,500.93

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Solution

The fourth proportional to 20,437,554.57, 30,621,629.03 and 12,333,500.93 is: 18,479,309.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,437,554.57 : 30,621,629.03 = 12,333,500.93 : x
  2. Step 2: Convert to fraction form
    20,437,554.57/30,621,629.03 = 12,333,500.93/x
  3. Step 3: Cross multiply
    20,437,554.57x = 30,621,629.03 × 12,333,500.93
  4. Step 4: Simplify right side
    20,437,554.57x = 377,671,889,904,844.38
  5. Step 5: Solve for x
    x = 377,671,889,904,844.38/20,437,554.57
  6. Step 6: Final answer
    x = 18,479,309.19

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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.