Home / 20,663,903.15-31,000,338.87-6,286,597.28

Finding the Fourth Proportional to 20,663,903.15, 31,000,338.87 and 6,286,597.28

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Solution

The fourth proportional to 20,663,903.15, 31,000,338.87 and 6,286,597.28 is: 9,431,260.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,663,903.15 : 31,000,338.87 = 6,286,597.28 : x
  2. Step 2: Convert to fraction form
    20,663,903.15/31,000,338.87 = 6,286,597.28/x
  3. Step 3: Cross multiply
    20,663,903.15x = 31,000,338.87 × 6,286,597.28
  4. Step 4: Simplify right side
    20,663,903.15x = 194,886,645,864,218.59
  5. Step 5: Solve for x
    x = 194,886,645,864,218.59/20,663,903.15
  6. Step 6: Final answer
    x = 9,431,260.13

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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.