Home / 8,171,638.41-11,276,026.50-5,031,403.41

Finding the Fourth Proportional to 8,171,638.41, 11,276,026.50 and 5,031,403.41

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Solution

The fourth proportional to 8,171,638.41, 11,276,026.50 and 5,031,403.41 is: 6,942,822.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,171,638.41 : 11,276,026.50 = 5,031,403.41 : x
  2. Step 2: Convert to fraction form
    8,171,638.41/11,276,026.50 = 5,031,403.41/x
  3. Step 3: Cross multiply
    8,171,638.41x = 11,276,026.50 × 5,031,403.41
  4. Step 4: Simplify right side
    8,171,638.41x = 56,734,238,183,350.37
  5. Step 5: Solve for x
    x = 56,734,238,183,350.37/8,171,638.41
  6. Step 6: Final answer
    x = 6,942,822.89

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1.5x scale

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.