Home / 10,325,530.78-14,249,260.86-5,679,791.78

Finding the Fourth Proportional to 10,325,530.78, 14,249,260.86 and 5,679,791.78

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Solution

The fourth proportional to 10,325,530.78, 14,249,260.86 and 5,679,791.78 is: 7,838,128.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,325,530.78 : 14,249,260.86 = 5,679,791.78 : x
  2. Step 2: Convert to fraction form
    10,325,530.78/14,249,260.86 = 5,679,791.78/x
  3. Step 3: Cross multiply
    10,325,530.78x = 14,249,260.86 × 5,679,791.78
  4. Step 4: Simplify right side
    10,325,530.78x = 80,932,834,703,703.73
  5. Step 5: Solve for x
    x = 80,932,834,703,703.73/10,325,530.78
  6. Step 6: Final answer
    x = 7,838,128.27

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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.