Home / 10,983,916.80-16,460,128.80-8,082,642.60

Finding the Fourth Proportional to 10,983,916.80, 16,460,128.80 and 8,082,642.60

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Solution

The fourth proportional to 10,983,916.80, 16,460,128.80 and 8,082,642.60 is: 12,112,376.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,983,916.80 : 16,460,128.80 = 8,082,642.60 : x
  2. Step 2: Convert to fraction form
    10,983,916.80/16,460,128.80 = 8,082,642.60/x
  3. Step 3: Cross multiply
    10,983,916.80x = 16,460,128.80 × 8,082,642.60
  4. Step 4: Simplify right side
    10,983,916.80x = 133,041,338,240,366.88
  5. Step 5: Solve for x
    x = 133,041,338,240,366.88/10,983,916.80
  6. Step 6: Final answer
    x = 12,112,376.73

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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.