Home / 15,925,945.50-21,971,566.17-9,803,745.18

Finding the Fourth Proportional to 15,925,945.50, 21,971,566.17 and 9,803,745.18

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Solution

The fourth proportional to 15,925,945.50, 21,971,566.17 and 9,803,745.18 is: 13,525,327.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,925,945.50 : 21,971,566.17 = 9,803,745.18 : x
  2. Step 2: Convert to fraction form
    15,925,945.50/21,971,566.17 = 9,803,745.18/x
  3. Step 3: Cross multiply
    15,925,945.50x = 21,971,566.17 × 9,803,745.18
  4. Step 4: Simplify right side
    15,925,945.50x = 215,403,635,936,188.56
  5. Step 5: Solve for x
    x = 215,403,635,936,188.56/15,925,945.50
  6. Step 6: Final answer
    x = 13,525,327.96

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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.