Home / 30,193,199.37-45,283,369.28-8,622,074.79

Finding the Fourth Proportional to 30,193,199.37, 45,283,369.28 and 8,622,074.79

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Solution

The fourth proportional to 30,193,199.37, 45,283,369.28 and 8,622,074.79 is: 12,931,276.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,193,199.37 : 45,283,369.28 = 8,622,074.79 : x
  2. Step 2: Convert to fraction form
    30,193,199.37/45,283,369.28 = 8,622,074.79/x
  3. Step 3: Cross multiply
    30,193,199.37x = 45,283,369.28 × 8,622,074.79
  4. Step 4: Simplify right side
    30,193,199.37x = 390,436,596,632,238
  5. Step 5: Solve for x
    x = 390,436,596,632,238/30,193,199.37
  6. Step 6: Final answer
    x = 12,931,276.07

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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.