Home / 28,380,010.80-42,575,545.80-11,337,783.60

Finding the Fourth Proportional to 28,380,010.80, 42,575,545.80 and 11,337,783.60

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Solution

The fourth proportional to 28,380,010.80, 42,575,545.80 and 11,337,783.60 is: 17,008,884.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,380,010.80 : 42,575,545.80 = 11,337,783.60 : x
  2. Step 2: Convert to fraction form
    28,380,010.80/42,575,545.80 = 11,337,783.60/x
  3. Step 3: Cross multiply
    28,380,010.80x = 42,575,545.80 × 11,337,783.60
  4. Step 4: Simplify right side
    28,380,010.80x = 482,712,324,932,288.81
  5. Step 5: Solve for x
    x = 482,712,324,932,288.81/28,380,010.80
  6. Step 6: Final answer
    x = 17,008,884.47

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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.