Home / 15,367,483.37-21,207,554.83-8,492,408.30

Finding the Fourth Proportional to 15,367,483.37, 21,207,554.83 and 8,492,408.30

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Solution

The fourth proportional to 15,367,483.37, 21,207,554.83 and 8,492,408.30 is: 11,719,759.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,367,483.37 : 21,207,554.83 = 8,492,408.30 : x
  2. Step 2: Convert to fraction form
    15,367,483.37/21,207,554.83 = 8,492,408.30/x
  3. Step 3: Cross multiply
    15,367,483.37x = 21,207,554.83 × 8,492,408.30
  4. Step 4: Simplify right side
    15,367,483.37x = 180,103,214,724,631.50
  5. Step 5: Solve for x
    x = 180,103,214,724,631.50/15,367,483.37
  6. Step 6: Final answer
    x = 11,719,759.86

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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.