Home / 12,542,898.30-18,814,347.45-9,708,546.30

Finding the Fourth Proportional to 12,542,898.30, 18,814,347.45 and 9,708,546.30

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Solution

The fourth proportional to 12,542,898.30, 18,814,347.45 and 9,708,546.30 is: 14,562,819.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,542,898.30 : 18,814,347.45 = 9,708,546.30 : x
  2. Step 2: Convert to fraction form
    12,542,898.30/18,814,347.45 = 9,708,546.30/x
  3. Step 3: Cross multiply
    12,542,898.30x = 18,814,347.45 × 9,708,546.30
  4. Step 4: Simplify right side
    12,542,898.30x = 182,659,963,322,611.94
  5. Step 5: Solve for x
    x = 182,659,963,322,611.94/12,542,898.30
  6. Step 6: Final answer
    x = 14,562,819.45

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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.