Home / 21,850,828.92-30,154,145.40-12,061,275.84

Finding the Fourth Proportional to 21,850,828.92, 30,154,145.40 and 12,061,275.84

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Solution

The fourth proportional to 21,850,828.92, 30,154,145.40 and 12,061,275.84 is: 16,644,561.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,850,828.92 : 30,154,145.40 = 12,061,275.84 : x
  2. Step 2: Convert to fraction form
    21,850,828.92/30,154,145.40 = 12,061,275.84/x
  3. Step 3: Cross multiply
    21,850,828.92x = 30,154,145.40 × 12,061,275.84
  4. Step 4: Simplify right side
    21,850,828.92x = 363,697,465,388,867.12
  5. Step 5: Solve for x
    x = 363,697,465,388,867.12/21,850,828.92
  6. Step 6: Final answer
    x = 16,644,561.48

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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.