Home / 19,577,129.60-27,017,205-13,395,142.52

Finding the Fourth Proportional to 19,577,129.60, 27,017,205 and 13,395,142.52

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Solution

The fourth proportional to 19,577,129.60, 27,017,205 and 13,395,142.52 is: 18,485,820.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,577,129.60 : 27,017,205 = 13,395,142.52 : x
  2. Step 2: Convert to fraction form
    19,577,129.60/27,017,205 = 13,395,142.52/x
  3. Step 3: Cross multiply
    19,577,129.60x = 27,017,205 × 13,395,142.52
  4. Step 4: Simplify right side
    19,577,129.60x = 361,899,311,467,056.56
  5. Step 5: Solve for x
    x = 361,899,311,467,056.56/19,577,129.60
  6. Step 6: Final answer
    x = 18,485,820.90

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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.