Home / 19,218,851.24-26,522,012.23-10,517,021.55

Finding the Fourth Proportional to 19,218,851.24, 26,522,012.23 and 10,517,021.55

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Solution

The fourth proportional to 19,218,851.24, 26,522,012.23 and 10,517,021.55 is: 14,513,488.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,218,851.24 : 26,522,012.23 = 10,517,021.55 : x
  2. Step 2: Convert to fraction form
    19,218,851.24/26,522,012.23 = 10,517,021.55/x
  3. Step 3: Cross multiply
    19,218,851.24x = 26,522,012.23 × 10,517,021.55
  4. Step 4: Simplify right side
    19,218,851.24x = 278,932,574,145,981
  5. Step 5: Solve for x
    x = 278,932,574,145,981/19,218,851.24
  6. Step 6: Final answer
    x = 14,513,488.38

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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.