Home / 6,868,544.82-9,478,117.71-3,812,518.50

Finding the Fourth Proportional to 6,868,544.82, 9,478,117.71 and 3,812,518.50

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Solution

The fourth proportional to 6,868,544.82, 9,478,117.71 and 3,812,518.50 is: 5,261,012.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,868,544.82 : 9,478,117.71 = 3,812,518.50 : x
  2. Step 2: Convert to fraction form
    6,868,544.82/9,478,117.71 = 3,812,518.50/x
  3. Step 3: Cross multiply
    6,868,544.82x = 9,478,117.71 × 3,812,518.50
  4. Step 4: Simplify right side
    6,868,544.82x = 36,135,499,114,552.64
  5. Step 5: Solve for x
    x = 36,135,499,114,552.64/6,868,544.82
  6. Step 6: Final answer
    x = 5,261,012.35

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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.