Home / 7,420,684.93-11,143,665.52-4,831,397.21

Finding the Fourth Proportional to 7,420,684.93, 11,143,665.52 and 4,831,397.21

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Solution

The fourth proportional to 7,420,684.93, 11,143,665.52 and 4,831,397.21 is: 7,255,324.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,420,684.93 : 11,143,665.52 = 4,831,397.21 : x
  2. Step 2: Convert to fraction form
    7,420,684.93/11,143,665.52 = 4,831,397.21/x
  3. Step 3: Cross multiply
    7,420,684.93x = 11,143,665.52 × 4,831,397.21
  4. Step 4: Simplify right side
    7,420,684.93x = 53,839,474,518,281.88
  5. Step 5: Solve for x
    x = 53,839,474,518,281.88/7,420,684.93
  6. Step 6: Final answer
    x = 7,255,324.14

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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.