Home / 47,946,255-71,919,451.62-19,579,407

Finding the Fourth Proportional to 47,946,255, 71,919,451.62 and 19,579,407

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Solution

The fourth proportional to 47,946,255, 71,919,451.62 and 19,579,407 is: 29,369,138.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,946,255 : 71,919,451.62 = 19,579,407 : x
  2. Step 2: Convert to fraction form
    47,946,255/71,919,451.62 = 19,579,407/x
  3. Step 3: Cross multiply
    47,946,255x = 71,919,451.62 × 19,579,407
  4. Step 4: Simplify right side
    47,946,255x = 1,408,140,214,484,789.50
  5. Step 5: Solve for x
    x = 1,408,140,214,484,789.50/47,946,255
  6. Step 6: Final answer
    x = 29,369,138.73

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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.