Home / 20,138,703.60-30,208,055.40-16,950,057.60

Finding the Fourth Proportional to 20,138,703.60, 30,208,055.40 and 16,950,057.60

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Solution

The fourth proportional to 20,138,703.60, 30,208,055.40 and 16,950,057.60 is: 25,425,086.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,138,703.60 : 30,208,055.40 = 16,950,057.60 : x
  2. Step 2: Convert to fraction form
    20,138,703.60/30,208,055.40 = 16,950,057.60/x
  3. Step 3: Cross multiply
    20,138,703.60x = 30,208,055.40 × 16,950,057.60
  4. Step 4: Simplify right side
    20,138,703.60x = 512,028,279,013,991.06
  5. Step 5: Solve for x
    x = 512,028,279,013,991.06/20,138,703.60
  6. Step 6: Final answer
    x = 25,425,086.40

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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.