Home / 14,471,945.35-19,971,323.88-7,945,997.50

Finding the Fourth Proportional to 14,471,945.35, 19,971,323.88 and 7,945,997.50

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Solution

The fourth proportional to 14,471,945.35, 19,971,323.88 and 7,945,997.50 is: 10,965,498.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,471,945.35 : 19,971,323.88 = 7,945,997.50 : x
  2. Step 2: Convert to fraction form
    14,471,945.35/19,971,323.88 = 7,945,997.50/x
  3. Step 3: Cross multiply
    14,471,945.35x = 19,971,323.88 × 7,945,997.50
  4. Step 4: Simplify right side
    14,471,945.35x = 158,692,089,622,170.28
  5. Step 5: Solve for x
    x = 158,692,089,622,170.28/14,471,945.35
  6. Step 6: Final answer
    x = 10,965,498.13

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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.