Home / 13,629,611.77-18,808,984.27-7,434,686.03

Finding the Fourth Proportional to 13,629,611.77, 18,808,984.27 and 7,434,686.03

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Solution

The fourth proportional to 13,629,611.77, 18,808,984.27 and 7,434,686.03 is: 10,259,932.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,629,611.77 : 18,808,984.27 = 7,434,686.03 : x
  2. Step 2: Convert to fraction form
    13,629,611.77/18,808,984.27 = 7,434,686.03/x
  3. Step 3: Cross multiply
    13,629,611.77x = 18,808,984.27 × 7,434,686.03
  4. Step 4: Simplify right side
    13,629,611.77x = 139,838,892,525,575.72
  5. Step 5: Solve for x
    x = 139,838,892,525,575.72/13,629,611.77
  6. Step 6: Final answer
    x = 10,259,932.19

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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.