Home / 47,165,384.85-70,749,016.83-12,621,729.07

Finding the Fourth Proportional to 47,165,384.85, 70,749,016.83 and 12,621,729.07

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Solution

The fourth proportional to 47,165,384.85, 70,749,016.83 and 12,621,729.07 is: 18,932,845.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,165,384.85 : 70,749,016.83 = 12,621,729.07 : x
  2. Step 2: Convert to fraction form
    47,165,384.85/70,749,016.83 = 12,621,729.07/x
  3. Step 3: Cross multiply
    47,165,384.85x = 70,749,016.83 × 12,621,729.07
  4. Step 4: Simplify right side
    47,165,384.85x = 892,974,922,052,111
  5. Step 5: Solve for x
    x = 892,974,922,052,111/47,165,384.85
  6. Step 6: Final answer
    x = 18,932,845.03

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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.