Home / 15,358,135.16-21,194,100.32-8,388,817.04

Finding the Fourth Proportional to 15,358,135.16, 21,194,100.32 and 8,388,817.04

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Solution

The fourth proportional to 15,358,135.16, 21,194,100.32 and 8,388,817.04 is: 11,576,498.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,358,135.16 : 21,194,100.32 = 8,388,817.04 : x
  2. Step 2: Convert to fraction form
    15,358,135.16/21,194,100.32 = 8,388,817.04/x
  3. Step 3: Cross multiply
    15,358,135.16x = 21,194,100.32 × 8,388,817.04
  4. Step 4: Simplify right side
    15,358,135.16x = 177,793,429,911,885.44
  5. Step 5: Solve for x
    x = 177,793,429,911,885.44/15,358,135.16
  6. Step 6: Final answer
    x = 11,576,498.58

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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.