Home / 16,402,401.28-22,630,770.93-9,432,700.12

Finding the Fourth Proportional to 16,402,401.28, 22,630,770.93 and 9,432,700.12

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Solution

The fourth proportional to 16,402,401.28, 22,630,770.93 and 9,432,700.12 is: 13,014,513.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,402,401.28 : 22,630,770.93 = 9,432,700.12 : x
  2. Step 2: Convert to fraction form
    16,402,401.28/22,630,770.93 = 9,432,700.12/x
  3. Step 3: Cross multiply
    16,402,401.28x = 22,630,770.93 × 9,432,700.12
  4. Step 4: Simplify right side
    16,402,401.28x = 213,469,275,667,103.50
  5. Step 5: Solve for x
    x = 213,469,275,667,103.50/16,402,401.28
  6. Step 6: Final answer
    x = 13,014,513.67

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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.