Home / 11,931,579.86-16,465,116.75-7,293,131.26

Finding the Fourth Proportional to 11,931,579.86, 16,465,116.75 and 7,293,131.26

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Solution

The fourth proportional to 11,931,579.86, 16,465,116.75 and 7,293,131.26 is: 10,064,237.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,931,579.86 : 16,465,116.75 = 7,293,131.26 : x
  2. Step 2: Convert to fraction form
    11,931,579.86/16,465,116.75 = 7,293,131.26/x
  3. Step 3: Cross multiply
    11,931,579.86x = 16,465,116.75 × 7,293,131.26
  4. Step 4: Simplify right side
    11,931,579.86x = 120,082,257,668,974.59
  5. Step 5: Solve for x
    x = 120,082,257,668,974.59/11,931,579.86
  6. Step 6: Final answer
    x = 10,064,237.85

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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.