Home / 7,656,840.20-10,565,963.38-4,218,888.84

Finding the Fourth Proportional to 7,656,840.20, 10,565,963.38 and 4,218,888.84

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Solution

The fourth proportional to 7,656,840.20, 10,565,963.38 and 4,218,888.84 is: 5,821,804.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,656,840.20 : 10,565,963.38 = 4,218,888.84 : x
  2. Step 2: Convert to fraction form
    7,656,840.20/10,565,963.38 = 4,218,888.84/x
  3. Step 3: Cross multiply
    7,656,840.20x = 10,565,963.38 × 4,218,888.84
  4. Step 4: Simplify right side
    7,656,840.20x = 44,576,624,987,730.68
  5. Step 5: Solve for x
    x = 44,576,624,987,730.68/7,656,840.20
  6. Step 6: Final answer
    x = 5,821,804.27

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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.