Home / 40,006,717.26-55,209,438.99-21,672,002.76

Finding the Fourth Proportional to 40,006,717.26, 55,209,438.99 and 21,672,002.76

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Solution

The fourth proportional to 40,006,717.26, 55,209,438.99 and 21,672,002.76 is: 29,907,455.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,006,717.26 : 55,209,438.99 = 21,672,002.76 : x
  2. Step 2: Convert to fraction form
    40,006,717.26/55,209,438.99 = 21,672,002.76/x
  3. Step 3: Cross multiply
    40,006,717.26x = 55,209,438.99 × 21,672,002.76
  4. Step 4: Simplify right side
    40,006,717.26x = 1,196,499,114,169,331.75
  5. Step 5: Solve for x
    x = 1,196,499,114,169,331.75/40,006,717.26
  6. Step 6: Final answer
    x = 29,907,455.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.