Home / 12,295,703.22-18,363,836.77-11,140,642.02

Finding the Fourth Proportional to 12,295,703.22, 18,363,836.77 and 11,140,642.02

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Solution

The fourth proportional to 12,295,703.22, 18,363,836.77 and 11,140,642.02 is: 16,638,733.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,295,703.22 : 18,363,836.77 = 11,140,642.02 : x
  2. Step 2: Convert to fraction form
    12,295,703.22/18,363,836.77 = 11,140,642.02/x
  3. Step 3: Cross multiply
    12,295,703.22x = 18,363,836.77 × 11,140,642.02
  4. Step 4: Simplify right side
    12,295,703.22x = 204,584,931,420,760.69
  5. Step 5: Solve for x
    x = 204,584,931,420,760.69/12,295,703.22
  6. Step 6: Final answer
    x = 16,638,733.69

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.