Home / 19,620,503.84-29,410,971.41-12,339,167.20

Finding the Fourth Proportional to 19,620,503.84, 29,410,971.41 and 12,339,167.20

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Solution

The fourth proportional to 19,620,503.84, 29,410,971.41 and 12,339,167.20 is: 18,496,308.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,620,503.84 : 29,410,971.41 = 12,339,167.20 : x
  2. Step 2: Convert to fraction form
    19,620,503.84/29,410,971.41 = 12,339,167.20/x
  3. Step 3: Cross multiply
    19,620,503.84x = 29,410,971.41 × 12,339,167.20
  4. Step 4: Simplify right side
    19,620,503.84x = 362,906,893,699,730.25
  5. Step 5: Solve for x
    x = 362,906,893,699,730.25/19,620,503.84
  6. Step 6: Final answer
    x = 18,496,308.59

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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.