Home / 12,699,886.23-17,526,323.82-7,118,234.98

Finding the Fourth Proportional to 12,699,886.23, 17,526,323.82 and 7,118,234.98

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Solution

The fourth proportional to 12,699,886.23, 17,526,323.82 and 7,118,234.98 is: 9,823,433.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,699,886.23 : 17,526,323.82 = 7,118,234.98 : x
  2. Step 2: Convert to fraction form
    12,699,886.23/17,526,323.82 = 7,118,234.98/x
  3. Step 3: Cross multiply
    12,699,886.23x = 17,526,323.82 × 7,118,234.98
  4. Step 4: Simplify right side
    12,699,886.23x = 124,756,491,286,331.23
  5. Step 5: Solve for x
    x = 124,756,491,286,331.23/12,699,886.23
  6. Step 6: Final answer
    x = 9,823,433.77

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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.