Home / 15,749,135.61-21,733,900.03-9,137,660.75

Finding the Fourth Proportional to 15,749,135.61, 21,733,900.03 and 9,137,660.75

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Solution

The fourth proportional to 15,749,135.61, 21,733,900.03 and 9,137,660.75 is: 12,610,025.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,749,135.61 : 21,733,900.03 = 9,137,660.75 : x
  2. Step 2: Convert to fraction form
    15,749,135.61/21,733,900.03 = 9,137,660.75/x
  3. Step 3: Cross multiply
    15,749,135.61x = 21,733,900.03 × 9,137,660.75
  4. Step 4: Simplify right side
    15,749,135.61x = 198,597,005,232,809.50
  5. Step 5: Solve for x
    x = 198,597,005,232,809.50/15,749,135.61
  6. Step 6: Final answer
    x = 12,610,025.73

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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.