Home / 28,920,138.20-43,367,765.70-14,537,648.60

Finding the Fourth Proportional to 28,920,138.20, 43,367,765.70 and 14,537,648.60

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Solution

The fourth proportional to 28,920,138.20, 43,367,765.70 and 14,537,648.60 is: 21,800,218.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,920,138.20 : 43,367,765.70 = 14,537,648.60 : x
  2. Step 2: Convert to fraction form
    28,920,138.20/43,367,765.70 = 14,537,648.60/x
  3. Step 3: Cross multiply
    28,920,138.20x = 43,367,765.70 × 14,537,648.60
  4. Step 4: Simplify right side
    28,920,138.20x = 630,465,338,313,733
  5. Step 5: Solve for x
    x = 630,465,338,313,733/28,920,138.20
  6. Step 6: Final answer
    x = 21,800,218.72

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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.