Home / 20,851,637.40-31,286,313.45-10,063,385.10

Finding the Fourth Proportional to 20,851,637.40, 31,286,313.45 and 10,063,385.10

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Solution

The fourth proportional to 20,851,637.40, 31,286,313.45 and 10,063,385.10 is: 15,099,352.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,851,637.40 : 31,286,313.45 = 10,063,385.10 : x
  2. Step 2: Convert to fraction form
    20,851,637.40/31,286,313.45 = 10,063,385.10/x
  3. Step 3: Cross multiply
    20,851,637.40x = 31,286,313.45 × 10,063,385.10
  4. Step 4: Simplify right side
    20,851,637.40x = 314,846,220,606,659.56
  5. Step 5: Solve for x
    x = 314,846,220,606,659.56/20,851,637.40
  6. Step 6: Final answer
    x = 15,099,352.37

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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.