Home / 28,347,476.89-39,131,610.21-19,060,430.08

Finding the Fourth Proportional to 28,347,476.89, 39,131,610.21 and 19,060,430.08

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Solution

The fourth proportional to 28,347,476.89, 39,131,610.21 and 19,060,430.08 is: 26,311,524.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,347,476.89 : 39,131,610.21 = 19,060,430.08 : x
  2. Step 2: Convert to fraction form
    28,347,476.89/39,131,610.21 = 19,060,430.08/x
  3. Step 3: Cross multiply
    28,347,476.89x = 39,131,610.21 × 19,060,430.08
  4. Step 4: Simplify right side
    28,347,476.89x = 745,865,320,325,519.12
  5. Step 5: Solve for x
    x = 745,865,320,325,519.12/28,347,476.89
  6. Step 6: Final answer
    x = 26,311,524.06

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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.