Home / 7,716,351.60-10,648,046.16-4,278,465.36

Finding the Fourth Proportional to 7,716,351.60, 10,648,046.16 and 4,278,465.36

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Solution

The fourth proportional to 7,716,351.60, 10,648,046.16 and 4,278,465.36 is: 5,903,994.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,716,351.60 : 10,648,046.16 = 4,278,465.36 : x
  2. Step 2: Convert to fraction form
    7,716,351.60/10,648,046.16 = 4,278,465.36/x
  3. Step 3: Cross multiply
    7,716,351.60x = 10,648,046.16 × 4,278,465.36
  4. Step 4: Simplify right side
    7,716,351.60x = 45,557,296,647,241.02
  5. Step 5: Solve for x
    x = 45,557,296,647,241.02/7,716,351.60
  6. Step 6: Final answer
    x = 5,903,994.40

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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.