Home / 12,295,705.20-16,968,155.21-6,713,990.48

Finding the Fourth Proportional to 12,295,705.20, 16,968,155.21 and 6,713,990.48

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Solution

The fourth proportional to 12,295,705.20, 16,968,155.21 and 6,713,990.48 is: 9,265,351.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,295,705.20 : 16,968,155.21 = 6,713,990.48 : x
  2. Step 2: Convert to fraction form
    12,295,705.20/16,968,155.21 = 6,713,990.48/x
  3. Step 3: Cross multiply
    12,295,705.20x = 16,968,155.21 × 6,713,990.48
  4. Step 4: Simplify right side
    12,295,705.20x = 113,924,032,424,691.66
  5. Step 5: Solve for x
    x = 113,924,032,424,691.66/12,295,705.20
  6. Step 6: Final answer
    x = 9,265,351.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.