Home / 13,147,390.83-18,143,061.04-7,346,220.24

Finding the Fourth Proportional to 13,147,390.83, 18,143,061.04 and 7,346,220.24

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Solution

The fourth proportional to 13,147,390.83, 18,143,061.04 and 7,346,220.24 is: 10,137,594.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,147,390.83 : 18,143,061.04 = 7,346,220.24 : x
  2. Step 2: Convert to fraction form
    13,147,390.83/18,143,061.04 = 7,346,220.24/x
  3. Step 3: Cross multiply
    13,147,390.83x = 18,143,061.04 × 7,346,220.24
  4. Step 4: Simplify right side
    13,147,390.83x = 133,282,922,304,822.72
  5. Step 5: Solve for x
    x = 133,282,922,304,822.72/13,147,390.83
  6. Step 6: Final answer
    x = 10,137,594.90

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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.