Home / 20,546,031.83-28,345,635.32-11,725,973.18

Finding the Fourth Proportional to 20,546,031.83, 28,345,635.32 and 11,725,973.18

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Solution

The fourth proportional to 20,546,031.83, 28,345,635.32 and 11,725,973.18 is: 16,177,340.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,546,031.83 : 28,345,635.32 = 11,725,973.18 : x
  2. Step 2: Convert to fraction form
    20,546,031.83/28,345,635.32 = 11,725,973.18/x
  3. Step 3: Cross multiply
    20,546,031.83x = 28,345,635.32 × 11,725,973.18
  4. Step 4: Simplify right side
    20,546,031.83x = 332,380,159,390,652.56
  5. Step 5: Solve for x
    x = 332,380,159,390,652.56/20,546,031.83
  6. Step 6: Final answer
    x = 16,177,340.82

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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.