Home / 19,319,938.60-28,979,907.90-14,501,540.20

Finding the Fourth Proportional to 19,319,938.60, 28,979,907.90 and 14,501,540.20

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Solution

The fourth proportional to 19,319,938.60, 28,979,907.90 and 14,501,540.20 is: 21,752,310.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,319,938.60 : 28,979,907.90 = 14,501,540.20 : x
  2. Step 2: Convert to fraction form
    19,319,938.60/28,979,907.90 = 14,501,540.20/x
  3. Step 3: Cross multiply
    19,319,938.60x = 28,979,907.90 × 14,501,540.20
  4. Step 4: Simplify right side
    19,319,938.60x = 420,253,299,404,147.56
  5. Step 5: Solve for x
    x = 420,253,299,404,147.56/19,319,938.60
  6. Step 6: Final answer
    x = 21,752,310.30

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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.