Home / 27,988,567.20-42,001,513.20-15,858,007.20

Finding the Fourth Proportional to 27,988,567.20, 42,001,513.20 and 15,858,007.20

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Solution

The fourth proportional to 27,988,567.20, 42,001,513.20 and 15,858,007.20 is: 23,797,584.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,988,567.20 : 42,001,513.20 = 15,858,007.20 : x
  2. Step 2: Convert to fraction form
    27,988,567.20/42,001,513.20 = 15,858,007.20/x
  3. Step 3: Cross multiply
    27,988,567.20x = 42,001,513.20 × 15,858,007.20
  4. Step 4: Simplify right side
    27,988,567.20x = 666,060,298,736,495
  5. Step 5: Solve for x
    x = 666,060,298,736,495/27,988,567.20
  6. Step 6: Final answer
    x = 23,797,584.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.