Home / 13,147,611-18,143,794.17-7,346,637.24

Finding the Fourth Proportional to 13,147,611, 18,143,794.17 and 7,346,637.24

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Solution

The fourth proportional to 13,147,611, 18,143,794.17 and 7,346,637.24 is: 10,138,410.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,147,611 : 18,143,794.17 = 7,346,637.24 : x
  2. Step 2: Convert to fraction form
    13,147,611/18,143,794.17 = 7,346,637.24/x
  3. Step 3: Cross multiply
    13,147,611x = 18,143,794.17 × 7,346,637.24
  4. Step 4: Simplify right side
    13,147,611x = 133,295,873,924,216.91
  5. Step 5: Solve for x
    x = 133,295,873,924,216.91/13,147,611
  6. Step 6: Final answer
    x = 10,138,410.23

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1.5x scale

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.