Home / 18,178,767.60-25,064,008.74-11,641,649.64

Finding the Fourth Proportional to 18,178,767.60, 25,064,008.74 and 11,641,649.64

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Solution

The fourth proportional to 18,178,767.60, 25,064,008.74 and 11,641,649.64 is: 16,050,945.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,178,767.60 : 25,064,008.74 = 11,641,649.64 : x
  2. Step 2: Convert to fraction form
    18,178,767.60/25,064,008.74 = 11,641,649.64/x
  3. Step 3: Cross multiply
    18,178,767.60x = 25,064,008.74 × 11,641,649.64
  4. Step 4: Simplify right side
    18,178,767.60x = 291,786,408,324,977.88
  5. Step 5: Solve for x
    x = 291,786,408,324,977.88/18,178,767.60
  6. Step 6: Final answer
    x = 16,050,945.52

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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.