Home / 13,831,828.08-20,750,429.16-5,311,538.16

Finding the Fourth Proportional to 13,831,828.08, 20,750,429.16 and 5,311,538.16

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Solution

The fourth proportional to 13,831,828.08, 20,750,429.16 and 5,311,538.16 is: 7,968,339.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,831,828.08 : 20,750,429.16 = 5,311,538.16 : x
  2. Step 2: Convert to fraction form
    13,831,828.08/20,750,429.16 = 5,311,538.16/x
  3. Step 3: Cross multiply
    13,831,828.08x = 20,750,429.16 × 5,311,538.16
  4. Step 4: Simplify right side
    13,831,828.08x = 110,216,696,319,716.75
  5. Step 5: Solve for x
    x = 110,216,696,319,716.75/13,831,828.08
  6. Step 6: Final answer
    x = 7,968,339.09

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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.