Home / 20,567,186.40-30,829,784.40-12,043,135.20

Finding the Fourth Proportional to 20,567,186.40, 30,829,784.40 and 12,043,135.20

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Solution

The fourth proportional to 20,567,186.40, 30,829,784.40 and 12,043,135.20 is: 18,052,409.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,567,186.40 : 30,829,784.40 = 12,043,135.20 : x
  2. Step 2: Convert to fraction form
    20,567,186.40/30,829,784.40 = 12,043,135.20/x
  3. Step 3: Cross multiply
    20,567,186.40x = 30,829,784.40 × 12,043,135.20
  4. Step 4: Simplify right side
    20,567,186.40x = 371,287,261,716,050.81
  5. Step 5: Solve for x
    x = 371,287,261,716,050.81/20,567,186.40
  6. Step 6: Final answer
    x = 18,052,409.04

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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.