Home / 13,600,559.81-20,403,532.06-3,885,256.67

Finding the Fourth Proportional to 13,600,559.81, 20,403,532.06 and 3,885,256.67

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Solution

The fourth proportional to 13,600,559.81, 20,403,532.06 and 3,885,256.67 is: 5,828,654.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,600,559.81 : 20,403,532.06 = 3,885,256.67 : x
  2. Step 2: Convert to fraction form
    13,600,559.81/20,403,532.06 = 3,885,256.67/x
  3. Step 3: Cross multiply
    13,600,559.81x = 20,403,532.06 × 3,885,256.67
  4. Step 4: Simplify right side
    13,600,559.81x = 79,272,958,915,943.05
  5. Step 5: Solve for x
    x = 79,272,958,915,943.05/13,600,559.81
  6. Step 6: Final answer
    x = 5,828,654.11

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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.