Home / 13,147,612.83-18,143,796.87-7,346,639.07

Finding the Fourth Proportional to 13,147,612.83, 18,143,796.87 and 7,346,639.07

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Solution

The fourth proportional to 13,147,612.83, 18,143,796.87 and 7,346,639.07 is: 10,138,412.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,147,612.83 : 18,143,796.87 = 7,346,639.07 : x
  2. Step 2: Convert to fraction form
    13,147,612.83/18,143,796.87 = 7,346,639.07/x
  3. Step 3: Cross multiply
    13,147,612.83x = 18,143,796.87 × 7,346,639.07
  4. Step 4: Simplify right side
    13,147,612.83x = 133,295,926,963,285.72
  5. Step 5: Solve for x
    x = 133,295,926,963,285.72/13,147,612.83
  6. Step 6: Final answer
    x = 10,138,412.86

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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.