Home / 9,972,829.20-14,959,243.80-9,909,843.60

Finding the Fourth Proportional to 9,972,829.20, 14,959,243.80 and 9,909,843.60

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Solution

The fourth proportional to 9,972,829.20, 14,959,243.80 and 9,909,843.60 is: 14,864,765.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,972,829.20 : 14,959,243.80 = 9,909,843.60 : x
  2. Step 2: Convert to fraction form
    9,972,829.20/14,959,243.80 = 9,909,843.60/x
  3. Step 3: Cross multiply
    9,972,829.20x = 14,959,243.80 × 9,909,843.60
  4. Step 4: Simplify right side
    9,972,829.20x = 148,243,766,432,269.69
  5. Step 5: Solve for x
    x = 148,243,766,432,269.69/9,972,829.20
  6. Step 6: Final answer
    x = 14,864,765.40

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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.