Home / 19,520,185.50-26,937,858.49-10,818,919.87

Finding the Fourth Proportional to 19,520,185.50, 26,937,858.49 and 10,818,919.87

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Solution

The fourth proportional to 19,520,185.50, 26,937,858.49 and 10,818,919.87 is: 14,930,110.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,520,185.50 : 26,937,858.49 = 10,818,919.87 : x
  2. Step 2: Convert to fraction form
    19,520,185.50/26,937,858.49 = 10,818,919.87/x
  3. Step 3: Cross multiply
    19,520,185.50x = 26,937,858.49 × 10,818,919.87
  4. Step 4: Simplify right side
    19,520,185.50x = 291,438,532,472,709.19
  5. Step 5: Solve for x
    x = 291,438,532,472,709.19/19,520,185.50
  6. Step 6: Final answer
    x = 14,930,110.81

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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.