Home / 10,939,867.80-16,424,576.10-6,395,573.40

Finding the Fourth Proportional to 10,939,867.80, 16,424,576.10 and 6,395,573.40

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Solution

The fourth proportional to 10,939,867.80, 16,424,576.10 and 6,395,573.40 is: 9,601,997.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,939,867.80 : 16,424,576.10 = 6,395,573.40 : x
  2. Step 2: Convert to fraction form
    10,939,867.80/16,424,576.10 = 6,395,573.40/x
  3. Step 3: Cross multiply
    10,939,867.80x = 16,424,576.10 × 6,395,573.40
  4. Step 4: Simplify right side
    10,939,867.80x = 105,044,582,011,435.75
  5. Step 5: Solve for x
    x = 105,044,582,011,435.75/10,939,867.80
  6. Step 6: Final answer
    x = 9,601,997.39

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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.