Home / 10,685,452.80-16,006,406.40-6,629,491.20

Finding the Fourth Proportional to 10,685,452.80, 16,006,406.40 and 6,629,491.20

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Solution

The fourth proportional to 10,685,452.80, 16,006,406.40 and 6,629,491.20 is: 9,930,728.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,685,452.80 : 16,006,406.40 = 6,629,491.20 : x
  2. Step 2: Convert to fraction form
    10,685,452.80/16,006,406.40 = 6,629,491.20/x
  3. Step 3: Cross multiply
    10,685,452.80x = 16,006,406.40 × 6,629,491.20
  4. Step 4: Simplify right side
    10,685,452.80x = 106,114,330,372,423.69
  5. Step 5: Solve for x
    x = 106,114,330,372,423.69/10,685,452.80
  6. Step 6: Final answer
    x = 9,930,728.47

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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.