Home / 18,388,709.42-25,376,418.84-10,658,235.74

Finding the Fourth Proportional to 18,388,709.42, 25,376,418.84 and 10,658,235.74

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Solution

The fourth proportional to 18,388,709.42, 25,376,418.84 and 10,658,235.74 is: 14,708,365.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,388,709.42 : 25,376,418.84 = 10,658,235.74 : x
  2. Step 2: Convert to fraction form
    18,388,709.42/25,376,418.84 = 10,658,235.74/x
  3. Step 3: Cross multiply
    18,388,709.42x = 25,376,418.84 × 10,658,235.74
  4. Step 4: Simplify right side
    18,388,709.42x = 270,467,854,233,697.34
  5. Step 5: Solve for x
    x = 270,467,854,233,697.34/18,388,709.42
  6. Step 6: Final answer
    x = 14,708,365.23

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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.