Home / 20,358,410.08-28,094,635.92-11,191,108.72

Finding the Fourth Proportional to 20,358,410.08, 28,094,635.92 and 11,191,108.72

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Solution

The fourth proportional to 20,358,410.08, 28,094,635.92 and 11,191,108.72 is: 15,443,746.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,358,410.08 : 28,094,635.92 = 11,191,108.72 : x
  2. Step 2: Convert to fraction form
    20,358,410.08/28,094,635.92 = 11,191,108.72/x
  3. Step 3: Cross multiply
    20,358,410.08x = 28,094,635.92 × 11,191,108.72
  4. Step 4: Simplify right side
    20,358,410.08x = 314,410,125,029,537.25
  5. Step 5: Solve for x
    x = 314,410,125,029,537.25/20,358,410.08
  6. Step 6: Final answer
    x = 15,443,746.53

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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.