Home / 13,455,737.70-20,183,606.55-7,692,555.30

Finding the Fourth Proportional to 13,455,737.70, 20,183,606.55 and 7,692,555.30

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Solution

The fourth proportional to 13,455,737.70, 20,183,606.55 and 7,692,555.30 is: 11,538,832.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,455,737.70 : 20,183,606.55 = 7,692,555.30 : x
  2. Step 2: Convert to fraction form
    13,455,737.70/20,183,606.55 = 7,692,555.30/x
  3. Step 3: Cross multiply
    13,455,737.70x = 20,183,606.55 × 7,692,555.30
  4. Step 4: Simplify right side
    13,455,737.70x = 155,263,509,539,317.22
  5. Step 5: Solve for x
    x = 155,263,509,539,317.22/13,455,737.70
  6. Step 6: Final answer
    x = 11,538,832.95

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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.