Home / 11,819,305-16,310,890.20-6,662,666.44

Finding the Fourth Proportional to 11,819,305, 16,310,890.20 and 6,662,666.44

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Solution

The fourth proportional to 11,819,305, 16,310,890.20 and 6,662,666.44 is: 9,194,620.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,819,305 : 16,310,890.20 = 6,662,666.44 : x
  2. Step 2: Convert to fraction form
    11,819,305/16,310,890.20 = 6,662,666.44/x
  3. Step 3: Cross multiply
    11,819,305x = 16,310,890.20 × 6,662,666.44
  4. Step 4: Simplify right side
    11,819,305x = 108,674,020,742,064.89
  5. Step 5: Solve for x
    x = 108,674,020,742,064.89/11,819,305
  6. Step 6: Final answer
    x = 9,194,620.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.