Home / 18,783,394.60-28,209,306.30-16,431,932.20

Finding the Fourth Proportional to 18,783,394.60, 28,209,306.30 and 16,431,932.20

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Solution

The fourth proportional to 18,783,394.60, 28,209,306.30 and 16,431,932.20 is: 24,677,829.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,783,394.60 : 28,209,306.30 = 16,431,932.20 : x
  2. Step 2: Convert to fraction form
    18,783,394.60/28,209,306.30 = 16,431,932.20/x
  3. Step 3: Cross multiply
    18,783,394.60x = 28,209,306.30 × 16,431,932.20
  4. Step 4: Simplify right side
    18,783,394.60x = 463,533,408,530,632.88
  5. Step 5: Solve for x
    x = 463,533,408,530,632.88/18,783,394.60
  6. Step 6: Final answer
    x = 24,677,829.46

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1.5x scale

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.