Home / 20,022,866.88-27,635,878.21-12,184,904.47

Finding the Fourth Proportional to 20,022,866.88, 27,635,878.21 and 12,184,904.47

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Solution

The fourth proportional to 20,022,866.88, 27,635,878.21 and 12,184,904.47 is: 16,817,798.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,022,866.88 : 27,635,878.21 = 12,184,904.47 : x
  2. Step 2: Convert to fraction form
    20,022,866.88/27,635,878.21 = 12,184,904.47/x
  3. Step 3: Cross multiply
    20,022,866.88x = 27,635,878.21 × 12,184,904.47
  4. Step 4: Simplify right side
    20,022,866.88x = 336,740,535,933,404.62
  5. Step 5: Solve for x
    x = 336,740,535,933,404.62/20,022,866.88
  6. Step 6: Final answer
    x = 16,817,798.27

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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.