Home / 13,921,416.74-19,211,266.13-7,726,103.66

Finding the Fourth Proportional to 13,921,416.74, 19,211,266.13 and 7,726,103.66

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Solution

The fourth proportional to 13,921,416.74, 19,211,266.13 and 7,726,103.66 is: 10,661,862.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,921,416.74 : 19,211,266.13 = 7,726,103.66 : x
  2. Step 2: Convert to fraction form
    13,921,416.74/19,211,266.13 = 7,726,103.66/x
  3. Step 3: Cross multiply
    13,921,416.74x = 19,211,266.13 × 7,726,103.66
  4. Step 4: Simplify right side
    13,921,416.74x = 148,428,233,569,624.69
  5. Step 5: Solve for x
    x = 148,428,233,569,624.69/13,921,416.74
  6. Step 6: Final answer
    x = 10,661,862.68

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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.