Home / 20,134,401.80-30,212,100.30-8,775,998.60

Finding the Fourth Proportional to 20,134,401.80, 30,212,100.30 and 8,775,998.60

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Solution

The fourth proportional to 20,134,401.80, 30,212,100.30 and 8,775,998.60 is: 13,168,573.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,134,401.80 : 30,212,100.30 = 8,775,998.60 : x
  2. Step 2: Convert to fraction form
    20,134,401.80/30,212,100.30 = 8,775,998.60/x
  3. Step 3: Cross multiply
    20,134,401.80x = 30,212,100.30 × 8,775,998.60
  4. Step 4: Simplify right side
    20,134,401.80x = 265,141,349,935,859.56
  5. Step 5: Solve for x
    x = 265,141,349,935,859.56/20,134,401.80
  6. Step 6: Final answer
    x = 13,168,573.50

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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.