Home / 28,391,566.61-39,180,363.07-15,338,825.48

Finding the Fourth Proportional to 28,391,566.61, 39,180,363.07 and 15,338,825.48

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Solution

The fourth proportional to 28,391,566.61, 39,180,363.07 and 15,338,825.48 is: 21,167,579.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,391,566.61 : 39,180,363.07 = 15,338,825.48 : x
  2. Step 2: Convert to fraction form
    28,391,566.61/39,180,363.07 = 15,338,825.48/x
  3. Step 3: Cross multiply
    28,391,566.61x = 39,180,363.07 × 15,338,825.48
  4. Step 4: Simplify right side
    28,391,566.61x = 600,980,751,139,518.12
  5. Step 5: Solve for x
    x = 600,980,751,139,518.12/28,391,566.61
  6. Step 6: Final answer
    x = 21,167,579.78

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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.