Home / 11,158,890.40-16,738,335.60-7,899,385.60

Finding the Fourth Proportional to 11,158,890.40, 16,738,335.60 and 7,899,385.60

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Solution

The fourth proportional to 11,158,890.40, 16,738,335.60 and 7,899,385.60 is: 11,849,078.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,158,890.40 : 16,738,335.60 = 7,899,385.60 : x
  2. Step 2: Convert to fraction form
    11,158,890.40/16,738,335.60 = 7,899,385.60/x
  3. Step 3: Cross multiply
    11,158,890.40x = 16,738,335.60 × 7,899,385.60
  4. Step 4: Simplify right side
    11,158,890.40x = 132,222,567,206,607.34
  5. Step 5: Solve for x
    x = 132,222,567,206,607.34/11,158,890.40
  6. Step 6: Final answer
    x = 11,849,078.40

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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.