Home / 47,165,385.85-70,749,018.33-12,621,730.07

Finding the Fourth Proportional to 47,165,385.85, 70,749,018.33 and 12,621,730.07

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Solution

The fourth proportional to 47,165,385.85, 70,749,018.33 and 12,621,730.07 is: 18,932,846.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,165,385.85 : 70,749,018.33 = 12,621,730.07 : x
  2. Step 2: Convert to fraction form
    47,165,385.85/70,749,018.33 = 12,621,730.07/x
  3. Step 3: Cross multiply
    47,165,385.85x = 70,749,018.33 × 12,621,730.07
  4. Step 4: Simplify right side
    47,165,385.85x = 892,975,012,078,742.12
  5. Step 5: Solve for x
    x = 892,975,012,078,742.12/47,165,385.85
  6. Step 6: Final answer
    x = 18,932,846.54

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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.