Home / 28,189,911.58-38,905,777.17-15,967,180.06

Finding the Fourth Proportional to 28,189,911.58, 38,905,777.17 and 15,967,180.06

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Solution

The fourth proportional to 28,189,911.58, 38,905,777.17 and 15,967,180.06 is: 22,036,803.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,189,911.58 : 38,905,777.17 = 15,967,180.06 : x
  2. Step 2: Convert to fraction form
    28,189,911.58/38,905,777.17 = 15,967,180.06/x
  3. Step 3: Cross multiply
    28,189,911.58x = 38,905,777.17 × 15,967,180.06
  4. Step 4: Simplify right side
    28,189,911.58x = 621,215,549,447,627.25
  5. Step 5: Solve for x
    x = 621,215,549,447,627.25/28,189,911.58
  6. Step 6: Final answer
    x = 22,036,803.76

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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.