Home / 28,347,475.89-39,131,608.83-19,060,429.08

Finding the Fourth Proportional to 28,347,475.89, 39,131,608.83 and 19,060,429.08

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Solution

The fourth proportional to 28,347,475.89, 39,131,608.83 and 19,060,429.08 is: 26,311,522.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,347,475.89 : 39,131,608.83 = 19,060,429.08 : x
  2. Step 2: Convert to fraction form
    28,347,475.89/39,131,608.83 = 19,060,429.08/x
  3. Step 3: Cross multiply
    28,347,475.89x = 39,131,608.83 × 19,060,429.08
  4. Step 4: Simplify right side
    28,347,475.89x = 745,865,254,890,516.62
  5. Step 5: Solve for x
    x = 745,865,254,890,516.62/28,347,475.89
  6. Step 6: Final answer
    x = 26,311,522.68

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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.