Home / 13,429,683.58-18,532,986.96-7,318,112.08

Finding the Fourth Proportional to 13,429,683.58, 18,532,986.96 and 7,318,112.08

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Solution

The fourth proportional to 13,429,683.58, 18,532,986.96 and 7,318,112.08 is: 10,099,007.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,429,683.58 : 18,532,986.96 = 7,318,112.08 : x
  2. Step 2: Convert to fraction form
    13,429,683.58/18,532,986.96 = 7,318,112.08/x
  3. Step 3: Cross multiply
    13,429,683.58x = 18,532,986.96 × 7,318,112.08
  4. Step 4: Simplify right side
    13,429,683.58x = 135,626,475,750,458.48
  5. Step 5: Solve for x
    x = 135,626,475,750,458.48/13,429,683.58
  6. Step 6: Final answer
    x = 10,099,007.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.