Home / 36,720,607.60-55,080,911.40-12,786,079.60

Finding the Fourth Proportional to 36,720,607.60, 55,080,911.40 and 12,786,079.60

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Solution

The fourth proportional to 36,720,607.60, 55,080,911.40 and 12,786,079.60 is: 19,179,119.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,720,607.60 : 55,080,911.40 = 12,786,079.60 : x
  2. Step 2: Convert to fraction form
    36,720,607.60/55,080,911.40 = 12,786,079.60/x
  3. Step 3: Cross multiply
    36,720,607.60x = 55,080,911.40 × 12,786,079.60
  4. Step 4: Simplify right side
    36,720,607.60x = 704,268,917,600,947.38
  5. Step 5: Solve for x
    x = 704,268,917,600,947.38/36,720,607.60
  6. Step 6: Final answer
    x = 19,179,119.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.