Home / 18,757,403.84-25,885,217.28-10,172,699.84

Finding the Fourth Proportional to 18,757,403.84, 25,885,217.28 and 10,172,699.84

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Solution

The fourth proportional to 18,757,403.84, 25,885,217.28 and 10,172,699.84 is: 14,038,325.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,757,403.84 : 25,885,217.28 = 10,172,699.84 : x
  2. Step 2: Convert to fraction form
    18,757,403.84/25,885,217.28 = 10,172,699.84/x
  3. Step 3: Cross multiply
    18,757,403.84x = 25,885,217.28 × 10,172,699.84
  4. Step 4: Simplify right side
    18,757,403.84x = 263,322,545,682,621.25
  5. Step 5: Solve for x
    x = 263,322,545,682,621.25/18,757,403.84
  6. Step 6: Final answer
    x = 14,038,325.77

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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.