Home / 13,351,919.76-20,036,102.76-5,263,518.96

Finding the Fourth Proportional to 13,351,919.76, 20,036,102.76 and 5,263,518.96

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Solution

The fourth proportional to 13,351,919.76, 20,036,102.76 and 5,263,518.96 is: 7,898,520.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,351,919.76 : 20,036,102.76 = 5,263,518.96 : x
  2. Step 2: Convert to fraction form
    13,351,919.76/20,036,102.76 = 5,263,518.96/x
  3. Step 3: Cross multiply
    13,351,919.76x = 20,036,102.76 × 5,263,518.96
  4. Step 4: Simplify right side
    13,351,919.76x = 105,460,406,761,768.34
  5. Step 5: Solve for x
    x = 105,460,406,761,768.34/13,351,919.76
  6. Step 6: Final answer
    x = 7,898,520.11

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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.