Home / 11,756,678.69-16,223,320.89-6,599,043.78

Finding the Fourth Proportional to 11,756,678.69, 16,223,320.89 and 6,599,043.78

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Solution

The fourth proportional to 11,756,678.69, 16,223,320.89 and 6,599,043.78 is: 9,106,177.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,756,678.69 : 16,223,320.89 = 6,599,043.78 : x
  2. Step 2: Convert to fraction form
    11,756,678.69/16,223,320.89 = 6,599,043.78/x
  3. Step 3: Cross multiply
    11,756,678.69x = 16,223,320.89 × 6,599,043.78
  4. Step 4: Simplify right side
    11,756,678.69x = 107,058,404,810,098.58
  5. Step 5: Solve for x
    x = 107,058,404,810,098.58/11,756,678.69
  6. Step 6: Final answer
    x = 9,106,177.66

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1.5x scale

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.