Home / 12,961,715.60-19,405,248.60-12,588,467.60

Finding the Fourth Proportional to 12,961,715.60, 19,405,248.60 and 12,588,467.60

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Solution

The fourth proportional to 12,961,715.60, 19,405,248.60 and 12,588,467.60 is: 18,846,451.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,961,715.60 : 19,405,248.60 = 12,588,467.60 : x
  2. Step 2: Convert to fraction form
    12,961,715.60/19,405,248.60 = 12,588,467.60/x
  3. Step 3: Cross multiply
    12,961,715.60x = 19,405,248.60 × 12,588,467.60
  4. Step 4: Simplify right side
    12,961,715.60x = 244,282,343,271,045.38
  5. Step 5: Solve for x
    x = 244,282,343,271,045.38/12,961,715.60
  6. Step 6: Final answer
    x = 18,846,451.41

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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.