Home / 13,858,397.22-19,124,711.96-7,663,860.86

Finding the Fourth Proportional to 13,858,397.22, 19,124,711.96 and 7,663,860.86

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Solution

The fourth proportional to 13,858,397.22, 19,124,711.96 and 7,663,860.86 is: 10,576,196.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,858,397.22 : 19,124,711.96 = 7,663,860.86 : x
  2. Step 2: Convert to fraction form
    13,858,397.22/19,124,711.96 = 7,663,860.86/x
  3. Step 3: Cross multiply
    13,858,397.22x = 19,124,711.96 × 7,663,860.86
  4. Step 4: Simplify right side
    13,858,397.22x = 146,569,131,368,863.25
  5. Step 5: Solve for x
    x = 146,569,131,368,863.25/13,858,397.22
  6. Step 6: Final answer
    x = 10,576,196.45

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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.