Home / 7,381,638.70-11,072,458.05-6,814,768.30

Finding the Fourth Proportional to 7,381,638.70, 11,072,458.05 and 6,814,768.30

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Solution

The fourth proportional to 7,381,638.70, 11,072,458.05 and 6,814,768.30 is: 10,222,152.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381,638.70 : 11,072,458.05 = 6,814,768.30 : x
  2. Step 2: Convert to fraction form
    7,381,638.70/11,072,458.05 = 6,814,768.30/x
  3. Step 3: Cross multiply
    7,381,638.70x = 11,072,458.05 × 6,814,768.30
  4. Step 4: Simplify right side
    7,381,638.70x = 75,456,236,122,219.81
  5. Step 5: Solve for x
    x = 75,456,236,122,219.81/7,381,638.70
  6. Step 6: Final answer
    x = 10,222,152.45

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Similar ratio
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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.