Home / 21,753,695.20-32,630,542.80-11,675,999.20

Finding the Fourth Proportional to 21,753,695.20, 32,630,542.80 and 11,675,999.20

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Solution

The fourth proportional to 21,753,695.20, 32,630,542.80 and 11,675,999.20 is: 17,513,998.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,753,695.20 : 32,630,542.80 = 11,675,999.20 : x
  2. Step 2: Convert to fraction form
    21,753,695.20/32,630,542.80 = 11,675,999.20/x
  3. Step 3: Cross multiply
    21,753,695.20x = 32,630,542.80 × 11,675,999.20
  4. Step 4: Simplify right side
    21,753,695.20x = 380,994,191,628,365.75
  5. Step 5: Solve for x
    x = 380,994,191,628,365.75/21,753,695.20
  6. Step 6: Final answer
    x = 17,513,998.80

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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.