Home / 20,227,548.99-30,331,890.89-10,509,549.44

Finding the Fourth Proportional to 20,227,548.99, 30,331,890.89 and 10,509,549.44

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Solution

The fourth proportional to 20,227,548.99, 30,331,890.89 and 10,509,549.44 is: 15,759,423.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,227,548.99 : 30,331,890.89 = 10,509,549.44 : x
  2. Step 2: Convert to fraction form
    20,227,548.99/30,331,890.89 = 10,509,549.44/x
  3. Step 3: Cross multiply
    20,227,548.99x = 30,331,890.89 × 10,509,549.44
  4. Step 4: Simplify right side
    20,227,548.99x = 318,774,506,922,961.12
  5. Step 5: Solve for x
    x = 318,774,506,922,961.12/20,227,548.99
  6. Step 6: Final answer
    x = 15,759,423.30

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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.