Home / 7,238,308.45-9,988,829.35-3,930,573.13

Finding the Fourth Proportional to 7,238,308.45, 9,988,829.35 and 3,930,573.13

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Solution

The fourth proportional to 7,238,308.45, 9,988,829.35 and 3,930,573.13 is: 5,424,171.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,238,308.45 : 9,988,829.35 = 3,930,573.13 : x
  2. Step 2: Convert to fraction form
    7,238,308.45/9,988,829.35 = 3,930,573.13/x
  3. Step 3: Cross multiply
    7,238,308.45x = 9,988,829.35 × 3,930,573.13
  4. Step 4: Simplify right side
    7,238,308.45x = 39,261,824,243,265.36
  5. Step 5: Solve for x
    x = 39,261,824,243,265.36/7,238,308.45
  6. Step 6: Final answer
    x = 5,424,171.20

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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.