Home / 13,342,534.40-18,421,736-8,452,096.32

Finding the Fourth Proportional to 13,342,534.40, 18,421,736 and 8,452,096.32

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Solution

The fourth proportional to 13,342,534.40, 18,421,736 and 8,452,096.32 is: 11,669,618.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,342,534.40 : 18,421,736 = 8,452,096.32 : x
  2. Step 2: Convert to fraction form
    13,342,534.40/18,421,736 = 8,452,096.32/x
  3. Step 3: Cross multiply
    13,342,534.40x = 18,421,736 × 8,452,096.32
  4. Step 4: Simplify right side
    13,342,534.40x = 155,702,287,053,611.53
  5. Step 5: Solve for x
    x = 155,702,287,053,611.53/13,342,534.40
  6. Step 6: Final answer
    x = 11,669,618.56

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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.