Home / 13,408,316.40-20,122,972.20-6,220,740.90

Finding the Fourth Proportional to 13,408,316.40, 20,122,972.20 and 6,220,740.90

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Solution

The fourth proportional to 13,408,316.40, 20,122,972.20 and 6,220,740.90 is: 9,335,981.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,408,316.40 : 20,122,972.20 = 6,220,740.90 : x
  2. Step 2: Convert to fraction form
    13,408,316.40/20,122,972.20 = 6,220,740.90/x
  3. Step 3: Cross multiply
    13,408,316.40x = 20,122,972.20 × 6,220,740.90
  4. Step 4: Simplify right side
    13,408,316.40x = 125,179,796,194,102.98
  5. Step 5: Solve for x
    x = 125,179,796,194,102.98/13,408,316.40
  6. Step 6: Final answer
    x = 9,335,981.67

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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.