Home / 21,543,820.32-32,287,809.60-8,749,462.08

Finding the Fourth Proportional to 21,543,820.32, 32,287,809.60 and 8,749,462.08

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Solution

The fourth proportional to 21,543,820.32, 32,287,809.60 and 8,749,462.08 is: 13,112,853.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,543,820.32 : 32,287,809.60 = 8,749,462.08 : x
  2. Step 2: Convert to fraction form
    21,543,820.32/32,287,809.60 = 8,749,462.08/x
  3. Step 3: Cross multiply
    21,543,820.32x = 32,287,809.60 × 8,749,462.08
  4. Step 4: Simplify right side
    21,543,820.32x = 282,500,965,741,460
  5. Step 5: Solve for x
    x = 282,500,965,741,460/21,543,820.32
  6. Step 6: Final answer
    x = 13,112,853.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.