Home / 11,989,951.69-16,545,133.65-6,762,671.77

Finding the Fourth Proportional to 11,989,951.69, 16,545,133.65 and 6,762,671.77

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Solution

The fourth proportional to 11,989,951.69, 16,545,133.65 and 6,762,671.77 is: 9,331,923.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,989,951.69 : 16,545,133.65 = 6,762,671.77 : x
  2. Step 2: Convert to fraction form
    11,989,951.69/16,545,133.65 = 6,762,671.77/x
  3. Step 3: Cross multiply
    11,989,951.69x = 16,545,133.65 × 6,762,671.77
  4. Step 4: Simplify right side
    11,989,951.69x = 111,889,308,265,732.06
  5. Step 5: Solve for x
    x = 111,889,308,265,732.06/11,989,951.69
  6. Step 6: Final answer
    x = 9,331,923.19

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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.