Home / 18,684,898.40-28,027,347.60-16,665,422.60

Finding the Fourth Proportional to 18,684,898.40, 28,027,347.60 and 16,665,422.60

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Solution

The fourth proportional to 18,684,898.40, 28,027,347.60 and 16,665,422.60 is: 24,998,133.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,684,898.40 : 28,027,347.60 = 16,665,422.60 : x
  2. Step 2: Convert to fraction form
    18,684,898.40/28,027,347.60 = 16,665,422.60/x
  3. Step 3: Cross multiply
    18,684,898.40x = 28,027,347.60 × 16,665,422.60
  4. Step 4: Simplify right side
    18,684,898.40x = 467,087,592,111,095.75
  5. Step 5: Solve for x
    x = 467,087,592,111,095.75/18,684,898.40
  6. Step 6: Final answer
    x = 24,998,133.90

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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.