Home / 15,915,004.90-21,962,706.96-8,671,660.90

Finding the Fourth Proportional to 15,915,004.90, 21,962,706.96 and 8,671,660.90

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Solution

The fourth proportional to 15,915,004.90, 21,962,706.96 and 8,671,660.90 is: 11,966,892.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,915,004.90 : 21,962,706.96 = 8,671,660.90 : x
  2. Step 2: Convert to fraction form
    15,915,004.90/21,962,706.96 = 8,671,660.90/x
  3. Step 3: Cross multiply
    15,915,004.90x = 21,962,706.96 × 8,671,660.90
  4. Step 4: Simplify right side
    15,915,004.90x = 190,453,147,203,189.88
  5. Step 5: Solve for x
    x = 190,453,147,203,189.88/15,915,004.90
  6. Step 6: Final answer
    x = 11,966,892.15

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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.