Home / 11,687,542.90-16,128,499.53-6,530,946.82

Finding the Fourth Proportional to 11,687,542.90, 16,128,499.53 and 6,530,946.82

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Solution

The fourth proportional to 11,687,542.90, 16,128,499.53 and 6,530,946.82 is: 9,012,533.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,687,542.90 : 16,128,499.53 = 6,530,946.82 : x
  2. Step 2: Convert to fraction form
    11,687,542.90/16,128,499.53 = 6,530,946.82/x
  3. Step 3: Cross multiply
    11,687,542.90x = 16,128,499.53 × 6,530,946.82
  4. Step 4: Simplify right side
    11,687,542.90x = 105,334,372,716,825
  5. Step 5: Solve for x
    x = 105,334,372,716,825/11,687,542.90
  6. Step 6: Final answer
    x = 9,012,533.57

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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.