Home / 12,439,370.20-18,667,349.70-7,048,010.20

Finding the Fourth Proportional to 12,439,370.20, 18,667,349.70 and 7,048,010.20

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Solution

The fourth proportional to 12,439,370.20, 18,667,349.70 and 7,048,010.20 is: 10,576,714.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,439,370.20 : 18,667,349.70 = 7,048,010.20 : x
  2. Step 2: Convert to fraction form
    12,439,370.20/18,667,349.70 = 7,048,010.20/x
  3. Step 3: Cross multiply
    12,439,370.20x = 18,667,349.70 × 7,048,010.20
  4. Step 4: Simplify right side
    12,439,370.20x = 131,567,671,092,566.94
  5. Step 5: Solve for x
    x = 131,567,671,092,566.94/12,439,370.20
  6. Step 6: Final answer
    x = 10,576,714.82

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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.