Home / 13,486,539.40-20,229,809.10-4,965,768.70

Finding the Fourth Proportional to 13,486,539.40, 20,229,809.10 and 4,965,768.70

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Solution

The fourth proportional to 13,486,539.40, 20,229,809.10 and 4,965,768.70 is: 7,448,653.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,486,539.40 : 20,229,809.10 = 4,965,768.70 : x
  2. Step 2: Convert to fraction form
    13,486,539.40/20,229,809.10 = 4,965,768.70/x
  3. Step 3: Cross multiply
    13,486,539.40x = 20,229,809.10 × 4,965,768.70
  4. Step 4: Simplify right side
    13,486,539.40x = 100,456,552,835,755.19
  5. Step 5: Solve for x
    x = 100,456,552,835,755.19/13,486,539.40
  6. Step 6: Final answer
    x = 7,448,653.05

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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.