Home / 20,139,783.60-30,174,100.20-19,473,769.20

Finding the Fourth Proportional to 20,139,783.60, 30,174,100.20 and 19,473,769.20

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Solution

The fourth proportional to 20,139,783.60, 30,174,100.20 and 19,473,769.20 is: 29,176,255.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,139,783.60 : 30,174,100.20 = 19,473,769.20 : x
  2. Step 2: Convert to fraction form
    20,139,783.60/30,174,100.20 = 19,473,769.20/x
  3. Step 3: Cross multiply
    20,139,783.60x = 30,174,100.20 × 19,473,769.20
  4. Step 4: Simplify right side
    20,139,783.60x = 587,603,463,112,473.75
  5. Step 5: Solve for x
    x = 587,603,463,112,473.75/20,139,783.60
  6. Step 6: Final answer
    x = 29,176,255.06

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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.