Home / 23,128,739.42-31,917,697.92-12,673,094.28

Finding the Fourth Proportional to 23,128,739.42, 31,917,697.92 and 12,673,094.28

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Solution

The fourth proportional to 23,128,739.42, 31,917,697.92 and 12,673,094.28 is: 17,488,890.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,128,739.42 : 31,917,697.92 = 12,673,094.28 : x
  2. Step 2: Convert to fraction form
    23,128,739.42/31,917,697.92 = 12,673,094.28/x
  3. Step 3: Cross multiply
    23,128,739.42x = 31,917,697.92 × 12,673,094.28
  4. Step 4: Simplify right side
    23,128,739.42x = 404,495,994,940,719.88
  5. Step 5: Solve for x
    x = 404,495,994,940,719.88/23,128,739.42
  6. Step 6: Final answer
    x = 17,488,890.67

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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.