Home / 30,146,757.40-45,203,011.26-20,573,733.16

Finding the Fourth Proportional to 30,146,757.40, 45,203,011.26 and 20,573,733.16

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Solution

The fourth proportional to 30,146,757.40, 45,203,011.26 and 20,573,733.16 is: 30,848,912.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,146,757.40 : 45,203,011.26 = 20,573,733.16 : x
  2. Step 2: Convert to fraction form
    30,146,757.40/45,203,011.26 = 20,573,733.16/x
  3. Step 3: Cross multiply
    30,146,757.40x = 45,203,011.26 × 20,573,733.16
  4. Step 4: Simplify right side
    30,146,757.40x = 929,994,691,691,715.38
  5. Step 5: Solve for x
    x = 929,994,691,691,715.38/30,146,757.40
  6. Step 6: Final answer
    x = 30,848,912.85

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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.