Home / 31,501,355.76-47,254,701.24-8,782,274.88

Finding the Fourth Proportional to 31,501,355.76, 47,254,701.24 and 8,782,274.88

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Solution

The fourth proportional to 31,501,355.76, 47,254,701.24 and 8,782,274.88 is: 13,174,156.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,501,355.76 : 47,254,701.24 = 8,782,274.88 : x
  2. Step 2: Convert to fraction form
    31,501,355.76/47,254,701.24 = 8,782,274.88/x
  3. Step 3: Cross multiply
    31,501,355.76x = 47,254,701.24 × 8,782,274.88
  4. Step 4: Simplify right side
    31,501,355.76x = 415,003,775,661,956.94
  5. Step 5: Solve for x
    x = 415,003,775,661,956.94/31,501,355.76
  6. Step 6: Final answer
    x = 13,174,156.02

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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.