Home / 19,666,820.80-29,500,231.20-17,753,633.20

Finding the Fourth Proportional to 19,666,820.80, 29,500,231.20 and 17,753,633.20

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Solution

The fourth proportional to 19,666,820.80, 29,500,231.20 and 17,753,633.20 is: 26,630,449.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,666,820.80 : 29,500,231.20 = 17,753,633.20 : x
  2. Step 2: Convert to fraction form
    19,666,820.80/29,500,231.20 = 17,753,633.20/x
  3. Step 3: Cross multiply
    19,666,820.80x = 29,500,231.20 × 17,753,633.20
  4. Step 4: Simplify right side
    19,666,820.80x = 523,736,284,039,995.81
  5. Step 5: Solve for x
    x = 523,736,284,039,995.81/19,666,820.80
  6. Step 6: Final answer
    x = 26,630,449.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.