Home / 12,255,246-18,381,214.08-5,065,782.48

Finding the Fourth Proportional to 12,255,246, 18,381,214.08 and 5,065,782.48

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Solution

The fourth proportional to 12,255,246, 18,381,214.08 and 5,065,782.48 is: 7,597,989.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,255,246 : 18,381,214.08 = 5,065,782.48 : x
  2. Step 2: Convert to fraction form
    12,255,246/18,381,214.08 = 5,065,782.48/x
  3. Step 3: Cross multiply
    12,255,246x = 18,381,214.08 × 5,065,782.48
  4. Step 4: Simplify right side
    12,255,246x = 93,115,232,247,593.31
  5. Step 5: Solve for x
    x = 93,115,232,247,593.31/12,255,246
  6. Step 6: Final answer
    x = 7,597,989.65

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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.