Home / 18,346,483.74-25,318,163.79-10,086,686.53

Finding the Fourth Proportional to 18,346,483.74, 25,318,163.79 and 10,086,686.53

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Solution

The fourth proportional to 18,346,483.74, 25,318,163.79 and 10,086,686.53 is: 13,919,636.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,346,483.74 : 25,318,163.79 = 10,086,686.53 : x
  2. Step 2: Convert to fraction form
    18,346,483.74/25,318,163.79 = 10,086,686.53/x
  3. Step 3: Cross multiply
    18,346,483.74x = 25,318,163.79 × 10,086,686.53
  4. Step 4: Simplify right side
    18,346,483.74x = 255,376,381,664,926.72
  5. Step 5: Solve for x
    x = 255,376,381,664,926.72/18,346,483.74
  6. Step 6: Final answer
    x = 13,919,636.33

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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.