Home / 15,739,817.56-21,720,374.82-8,770,135

Finding the Fourth Proportional to 15,739,817.56, 21,720,374.82 and 8,770,135

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Solution

The fourth proportional to 15,739,817.56, 21,720,374.82 and 8,770,135 is: 12,102,466.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,739,817.56 : 21,720,374.82 = 8,770,135 : x
  2. Step 2: Convert to fraction form
    15,739,817.56/21,720,374.82 = 8,770,135/x
  3. Step 3: Cross multiply
    15,739,817.56x = 21,720,374.82 × 8,770,135
  4. Step 4: Simplify right side
    15,739,817.56x = 190,490,619,422,000.69
  5. Step 5: Solve for x
    x = 190,490,619,422,000.69/15,739,817.56
  6. Step 6: Final answer
    x = 12,102,466.80

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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.