Home / 20,063,300.86-30,043,861.98-13,219,124.43

Finding the Fourth Proportional to 20,063,300.86, 30,043,861.98 and 13,219,124.43

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Solution

The fourth proportional to 20,063,300.86, 30,043,861.98 and 13,219,124.43 is: 19,795,025.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,063,300.86 : 30,043,861.98 = 13,219,124.43 : x
  2. Step 2: Convert to fraction form
    20,063,300.86/30,043,861.98 = 13,219,124.43/x
  3. Step 3: Cross multiply
    20,063,300.86x = 30,043,861.98 × 13,219,124.43
  4. Step 4: Simplify right side
    20,063,300.86x = 397,153,549,871,366.19
  5. Step 5: Solve for x
    x = 397,153,549,871,366.19/20,063,300.86
  6. Step 6: Final answer
    x = 19,795,025.39

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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.