Home / 26,655,331.80-39,982,997.70-13,190,410.20

Finding the Fourth Proportional to 26,655,331.80, 39,982,997.70 and 13,190,410.20

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Solution

The fourth proportional to 26,655,331.80, 39,982,997.70 and 13,190,410.20 is: 19,785,615.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,655,331.80 : 39,982,997.70 = 13,190,410.20 : x
  2. Step 2: Convert to fraction form
    26,655,331.80/39,982,997.70 = 13,190,410.20/x
  3. Step 3: Cross multiply
    26,655,331.80x = 39,982,997.70 × 13,190,410.20
  4. Step 4: Simplify right side
    26,655,331.80x = 527,392,140,688,656.56
  5. Step 5: Solve for x
    x = 527,392,140,688,656.56/26,655,331.80
  6. Step 6: Final answer
    x = 19,785,615.30

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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.