Home / 12,907,207.98-17,811,270.90-7,104,856.41

Finding the Fourth Proportional to 12,907,207.98, 17,811,270.90 and 7,104,856.41

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Solution

The fourth proportional to 12,907,207.98, 17,811,270.90 and 7,104,856.41 is: 9,804,329.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,907,207.98 : 17,811,270.90 = 7,104,856.41 : x
  2. Step 2: Convert to fraction form
    12,907,207.98/17,811,270.90 = 7,104,856.41/x
  3. Step 3: Cross multiply
    12,907,207.98x = 17,811,270.90 × 7,104,856.41
  4. Step 4: Simplify right side
    12,907,207.98x = 126,546,522,224,111.47
  5. Step 5: Solve for x
    x = 126,546,522,224,111.47/12,907,207.98
  6. Step 6: Final answer
    x = 9,804,329.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.