Home / 13,285,278.15-19,892,487.83-13,285,278.15

Finding the Fourth Proportional to 13,285,278.15, 19,892,487.83 and 13,285,278.15

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Solution

The fourth proportional to 13,285,278.15, 19,892,487.83 and 13,285,278.15 is: 19,892,487.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,285,278.15 : 19,892,487.83 = 13,285,278.15 : x
  2. Step 2: Convert to fraction form
    13,285,278.15/19,892,487.83 = 13,285,278.15/x
  3. Step 3: Cross multiply
    13,285,278.15x = 19,892,487.83 × 13,285,278.15
  4. Step 4: Simplify right side
    13,285,278.15x = 264,277,233,850,613.53
  5. Step 5: Solve for x
    x = 264,277,233,850,613.53/13,285,278.15
  6. Step 6: Final answer
    x = 19,892,487.83

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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.