Home / 13,944,778.22-19,243,333.38-7,665,326.62

Finding the Fourth Proportional to 13,944,778.22, 19,243,333.38 and 7,665,326.62

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Solution

The fourth proportional to 13,944,778.22, 19,243,333.38 and 7,665,326.62 is: 10,577,897.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,944,778.22 : 19,243,333.38 = 7,665,326.62 : x
  2. Step 2: Convert to fraction form
    13,944,778.22/19,243,333.38 = 7,665,326.62/x
  3. Step 3: Cross multiply
    13,944,778.22x = 19,243,333.38 × 7,665,326.62
  4. Step 4: Simplify right side
    13,944,778.22x = 147,506,435,577,079
  5. Step 5: Solve for x
    x = 147,506,435,577,079/13,944,778.22
  6. Step 6: Final answer
    x = 10,577,897.57

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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.