Home / 18,388,700.66-25,376,406.77-10,658,226.98

Finding the Fourth Proportional to 18,388,700.66, 25,376,406.77 and 10,658,226.98

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Solution

The fourth proportional to 18,388,700.66, 25,376,406.77 and 10,658,226.98 is: 14,708,353.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,388,700.66 : 25,376,406.77 = 10,658,226.98 : x
  2. Step 2: Convert to fraction form
    18,388,700.66/25,376,406.77 = 10,658,226.98/x
  3. Step 3: Cross multiply
    18,388,700.66x = 25,376,406.77 × 10,658,226.98
  4. Step 4: Simplify right side
    18,388,700.66x = 270,467,503,381,555.25
  5. Step 5: Solve for x
    x = 270,467,503,381,555.25/18,388,700.66
  6. Step 6: Final answer
    x = 14,708,353.15

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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.