Home / 28,900,010.25-39,883,224.29-15,847,771.91

Finding the Fourth Proportional to 28,900,010.25, 39,883,224.29 and 15,847,771.91

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Solution

The fourth proportional to 28,900,010.25, 39,883,224.29 and 15,847,771.91 is: 21,870,588.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,900,010.25 : 39,883,224.29 = 15,847,771.91 : x
  2. Step 2: Convert to fraction form
    28,900,010.25/39,883,224.29 = 15,847,771.91/x
  3. Step 3: Cross multiply
    28,900,010.25x = 39,883,224.29 × 15,847,771.91
  4. Step 4: Simplify right side
    28,900,010.25x = 632,060,241,304,636.62
  5. Step 5: Solve for x
    x = 632,060,241,304,636.62/28,900,010.25
  6. Step 6: Final answer
    x = 21,870,588.83

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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.