Home / 12,050,715.06-16,641,336.65-8,389,642.28

Finding the Fourth Proportional to 12,050,715.06, 16,641,336.65 and 8,389,642.28

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Solution

The fourth proportional to 12,050,715.06, 16,641,336.65 and 8,389,642.28 is: 11,585,608.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,050,715.06 : 16,641,336.65 = 8,389,642.28 : x
  2. Step 2: Convert to fraction form
    12,050,715.06/16,641,336.65 = 8,389,642.28/x
  3. Step 3: Cross multiply
    12,050,715.06x = 16,641,336.65 × 8,389,642.28
  4. Step 4: Simplify right side
    12,050,715.06x = 139,614,861,570,197.94
  5. Step 5: Solve for x
    x = 139,614,861,570,197.94/12,050,715.06
  6. Step 6: Final answer
    x = 11,585,608.06

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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.