Home / 31,598,484.76-47,384,268.72-12,415,785.58

Finding the Fourth Proportional to 31,598,484.76, 47,384,268.72 and 12,415,785.58

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Solution

The fourth proportional to 31,598,484.76, 47,384,268.72 and 12,415,785.58 is: 18,618,390.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,598,484.76 : 47,384,268.72 = 12,415,785.58 : x
  2. Step 2: Convert to fraction form
    31,598,484.76/47,384,268.72 = 12,415,785.58/x
  3. Step 3: Cross multiply
    31,598,484.76x = 47,384,268.72 × 12,415,785.58
  4. Step 4: Simplify right side
    31,598,484.76x = 588,312,920,292,621
  5. Step 5: Solve for x
    x = 588,312,920,292,621/31,598,484.76
  6. Step 6: Final answer
    x = 18,618,390.24

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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.