Home / 19,319,781.60-28,979,672.40-14,501,383.20

Finding the Fourth Proportional to 19,319,781.60, 28,979,672.40 and 14,501,383.20

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Solution

The fourth proportional to 19,319,781.60, 28,979,672.40 and 14,501,383.20 is: 21,752,074.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,319,781.60 : 28,979,672.40 = 14,501,383.20 : x
  2. Step 2: Convert to fraction form
    19,319,781.60/28,979,672.40 = 14,501,383.20/x
  3. Step 3: Cross multiply
    19,319,781.60x = 28,979,672.40 × 14,501,383.20
  4. Step 4: Simplify right side
    19,319,781.60x = 420,245,334,482,863.62
  5. Step 5: Solve for x
    x = 420,245,334,482,863.62/19,319,781.60
  6. Step 6: Final answer
    x = 21,752,074.80

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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.