Home / 30,347,008.11-45,508,530.12-12,147,811.07

Finding the Fourth Proportional to 30,347,008.11, 45,508,530.12 and 12,147,811.07

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Solution

The fourth proportional to 30,347,008.11, 45,508,530.12 and 12,147,811.07 is: 18,216,920.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,347,008.11 : 45,508,530.12 = 12,147,811.07 : x
  2. Step 2: Convert to fraction form
    30,347,008.11/45,508,530.12 = 12,147,811.07/x
  3. Step 3: Cross multiply
    30,347,008.11x = 45,508,530.12 × 12,147,811.07
  4. Step 4: Simplify right side
    30,347,008.11x = 552,829,025,743,621.75
  5. Step 5: Solve for x
    x = 552,829,025,743,621.75/30,347,008.11
  6. Step 6: Final answer
    x = 18,216,920.22

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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.