Home / 6,718,970.67-10,073,730.65-3,120,917.55

Finding the Fourth Proportional to 6,718,970.67, 10,073,730.65 and 3,120,917.55

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Solution

The fourth proportional to 6,718,970.67, 10,073,730.65 and 3,120,917.55 is: 4,679,181.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,718,970.67 : 10,073,730.65 = 3,120,917.55 : x
  2. Step 2: Convert to fraction form
    6,718,970.67/10,073,730.65 = 3,120,917.55/x
  3. Step 3: Cross multiply
    6,718,970.67x = 10,073,730.65 × 3,120,917.55
  4. Step 4: Simplify right side
    6,718,970.67x = 31,439,282,763,953.32
  5. Step 5: Solve for x
    x = 31,439,282,763,953.32/6,718,970.67
  6. Step 6: Final answer
    x = 4,679,181.43

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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.