Home / 30,206,021.46-45,331,596.90-20,467,543.50

Finding the Fourth Proportional to 30,206,021.46, 45,331,596.90 and 20,467,543.50

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Solution

The fourth proportional to 30,206,021.46, 45,331,596.90 and 20,467,543.50 is: 30,716,605.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,206,021.46 : 45,331,596.90 = 20,467,543.50 : x
  2. Step 2: Convert to fraction form
    30,206,021.46/45,331,596.90 = 20,467,543.50/x
  3. Step 3: Cross multiply
    30,206,021.46x = 45,331,596.90 × 20,467,543.50
  4. Step 4: Simplify right side
    30,206,021.46x = 927,826,431,475,215.12
  5. Step 5: Solve for x
    x = 927,826,431,475,215.12/30,206,021.46
  6. Step 6: Final answer
    x = 30,716,605.06

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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.