Home / 10,856,100.31-16,360,393.84-9,777,963.98

Finding the Fourth Proportional to 10,856,100.31, 16,360,393.84 and 9,777,963.98

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Solution

The fourth proportional to 10,856,100.31, 16,360,393.84 and 9,777,963.98 is: 14,735,617.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,856,100.31 : 16,360,393.84 = 9,777,963.98 : x
  2. Step 2: Convert to fraction form
    10,856,100.31/16,360,393.84 = 9,777,963.98/x
  3. Step 3: Cross multiply
    10,856,100.31x = 16,360,393.84 × 9,777,963.98
  4. Step 4: Simplify right side
    10,856,100.31x = 159,971,341,682,589.97
  5. Step 5: Solve for x
    x = 159,971,341,682,589.97/10,856,100.31
  6. Step 6: Final answer
    x = 14,735,617.50

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.