Home / 11,687,477.77-16,128,409.93-6,530,881.69

Finding the Fourth Proportional to 11,687,477.77, 16,128,409.93 and 6,530,881.69

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Solution

The fourth proportional to 11,687,477.77, 16,128,409.93 and 6,530,881.69 is: 9,012,443.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,687,477.77 : 16,128,409.93 = 6,530,881.69 : x
  2. Step 2: Convert to fraction form
    11,687,477.77/16,128,409.93 = 6,530,881.69/x
  3. Step 3: Cross multiply
    11,687,477.77x = 16,128,409.93 × 6,530,881.69
  4. Step 4: Simplify right side
    11,687,477.77x = 105,332,737,100,651.19
  5. Step 5: Solve for x
    x = 105,332,737,100,651.19/11,687,477.77
  6. Step 6: Final answer
    x = 9,012,443.85

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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.