Home / 18,757,400.81-25,885,213.12-10,172,696.81

Finding the Fourth Proportional to 18,757,400.81, 25,885,213.12 and 10,172,696.81

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Solution

The fourth proportional to 18,757,400.81, 25,885,213.12 and 10,172,696.81 is: 14,038,321.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,757,400.81 : 25,885,213.12 = 10,172,696.81 : x
  2. Step 2: Convert to fraction form
    18,757,400.81/25,885,213.12 = 10,172,696.81/x
  3. Step 3: Cross multiply
    18,757,400.81x = 25,885,213.12 × 10,172,696.81
  4. Step 4: Simplify right side
    18,757,400.81x = 263,322,424,931,994.16
  5. Step 5: Solve for x
    x = 263,322,424,931,994.16/18,757,400.81
  6. Step 6: Final answer
    x = 14,038,321.60

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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.