Home / 30,864,218.20-46,286,870.82-21,340,795.48

Finding the Fourth Proportional to 30,864,218.20, 46,286,870.82 and 21,340,795.48

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Solution

The fourth proportional to 30,864,218.20, 46,286,870.82 and 21,340,795.48 is: 32,004,654.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,864,218.20 : 46,286,870.82 = 21,340,795.48 : x
  2. Step 2: Convert to fraction form
    30,864,218.20/46,286,870.82 = 21,340,795.48/x
  3. Step 3: Cross multiply
    30,864,218.20x = 46,286,870.82 × 21,340,795.48
  4. Step 4: Simplify right side
    30,864,218.20x = 987,798,643,578,799.88
  5. Step 5: Solve for x
    x = 987,798,643,578,799.88/30,864,218.20
  6. Step 6: Final answer
    x = 32,004,654.62

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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.