Home / 10,362,729.70-15,544,094.55-8,197,891.30

Finding the Fourth Proportional to 10,362,729.70, 15,544,094.55 and 8,197,891.30

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Solution

The fourth proportional to 10,362,729.70, 15,544,094.55 and 8,197,891.30 is: 12,296,836.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,362,729.70 : 15,544,094.55 = 8,197,891.30 : x
  2. Step 2: Convert to fraction form
    10,362,729.70/15,544,094.55 = 8,197,891.30/x
  3. Step 3: Cross multiply
    10,362,729.70x = 15,544,094.55 × 8,197,891.30
  4. Step 4: Simplify right side
    10,362,729.70x = 127,428,797,477,822.42
  5. Step 5: Solve for x
    x = 127,428,797,477,822.42/10,362,729.70
  6. Step 6: Final answer
    x = 12,296,836.95

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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.