Home / 9,905,613.20-14,830,426.20-8,897,843.60

Finding the Fourth Proportional to 9,905,613.20, 14,830,426.20 and 8,897,843.60

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Solution

The fourth proportional to 9,905,613.20, 14,830,426.20 and 8,897,843.60 is: 13,321,619.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,905,613.20 : 14,830,426.20 = 8,897,843.60 : x
  2. Step 2: Convert to fraction form
    9,905,613.20/14,830,426.20 = 8,897,843.60/x
  3. Step 3: Cross multiply
    9,905,613.20x = 14,830,426.20 × 8,897,843.60
  4. Step 4: Simplify right side
    9,905,613.20x = 131,958,812,848,942.31
  5. Step 5: Solve for x
    x = 131,958,812,848,942.31/9,905,613.20
  6. Step 6: Final answer
    x = 13,321,619.79

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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.