Home / 18,216,496.22-25,138,077.84-9,956,491.55

Finding the Fourth Proportional to 18,216,496.22, 25,138,077.84 and 9,956,491.55

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Solution

The fourth proportional to 18,216,496.22, 25,138,077.84 and 9,956,491.55 is: 13,739,582.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,216,496.22 : 25,138,077.84 = 9,956,491.55 : x
  2. Step 2: Convert to fraction form
    18,216,496.22/25,138,077.84 = 9,956,491.55/x
  3. Step 3: Cross multiply
    18,216,496.22x = 25,138,077.84 × 9,956,491.55
  4. Step 4: Simplify right side
    18,216,496.22x = 250,287,059,565,779.66
  5. Step 5: Solve for x
    x = 250,287,059,565,779.66/18,216,496.22
  6. Step 6: Final answer
    x = 13,739,582.88

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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.