Home / 7,676,641.46-11,518,947.39-3,131,025.14

Finding the Fourth Proportional to 7,676,641.46, 11,518,947.39 and 3,131,025.14

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Solution

The fourth proportional to 7,676,641.46, 11,518,947.39 and 3,131,025.14 is: 4,698,163.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,676,641.46 : 11,518,947.39 = 3,131,025.14 : x
  2. Step 2: Convert to fraction form
    7,676,641.46/11,518,947.39 = 3,131,025.14/x
  3. Step 3: Cross multiply
    7,676,641.46x = 11,518,947.39 × 3,131,025.14
  4. Step 4: Simplify right side
    7,676,641.46x = 36,066,113,864,427.39
  5. Step 5: Solve for x
    x = 36,066,113,864,427.39/7,676,641.46
  6. Step 6: Final answer
    x = 4,698,163.13

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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.