Home / 18,867,910.77-26,037,562.05-11,903,087.30

Finding the Fourth Proportional to 18,867,910.77, 26,037,562.05 and 11,903,087.30

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Solution

The fourth proportional to 18,867,910.77, 26,037,562.05 and 11,903,087.30 is: 16,426,162.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,867,910.77 : 26,037,562.05 = 11,903,087.30 : x
  2. Step 2: Convert to fraction form
    18,867,910.77/26,037,562.05 = 11,903,087.30/x
  3. Step 3: Cross multiply
    18,867,910.77x = 26,037,562.05 × 11,903,087.30
  4. Step 4: Simplify right side
    18,867,910.77x = 309,927,374,030,129.19
  5. Step 5: Solve for x
    x = 309,927,374,030,129.19/18,867,910.77
  6. Step 6: Final answer
    x = 16,426,162.80

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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.