Home / 40,006,717.51-55,209,439.34-21,672,003.01

Finding the Fourth Proportional to 40,006,717.51, 55,209,439.34 and 21,672,003.01

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Solution

The fourth proportional to 40,006,717.51, 55,209,439.34 and 21,672,003.01 is: 29,907,455.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,006,717.51 : 55,209,439.34 = 21,672,003.01 : x
  2. Step 2: Convert to fraction form
    40,006,717.51/55,209,439.34 = 21,672,003.01/x
  3. Step 3: Cross multiply
    40,006,717.51x = 55,209,439.34 × 21,672,003.01
  4. Step 4: Simplify right side
    40,006,717.51x = 1,196,499,135,556,892.50
  5. Step 5: Solve for x
    x = 1,196,499,135,556,892.50/40,006,717.51
  6. Step 6: Final answer
    x = 29,907,455.80

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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.