Home / 19,476,876-29,196,327.60-8,120,572.32

Finding the Fourth Proportional to 19,476,876, 29,196,327.60 and 8,120,572.32

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Solution

The fourth proportional to 19,476,876, 29,196,327.60 and 8,120,572.32 is: 12,172,942.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,476,876 : 29,196,327.60 = 8,120,572.32 : x
  2. Step 2: Convert to fraction form
    19,476,876/29,196,327.60 = 8,120,572.32/x
  3. Step 3: Cross multiply
    19,476,876x = 29,196,327.60 × 8,120,572.32
  4. Step 4: Simplify right side
    19,476,876x = 237,090,889,754,212.06
  5. Step 5: Solve for x
    x = 237,090,889,754,212.06/19,476,876
  6. Step 6: Final answer
    x = 12,172,942.40

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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.