Home / 8,446,890.09-12,561,673.89-8,177,845.35

Finding the Fourth Proportional to 8,446,890.09, 12,561,673.89 and 8,177,845.35

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Solution

The fourth proportional to 8,446,890.09, 12,561,673.89 and 8,177,845.35 is: 12,161,567.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,446,890.09 : 12,561,673.89 = 8,177,845.35 : x
  2. Step 2: Convert to fraction form
    8,446,890.09/12,561,673.89 = 8,177,845.35/x
  3. Step 3: Cross multiply
    8,446,890.09x = 12,561,673.89 × 8,177,845.35
  4. Step 4: Simplify right side
    8,446,890.09x = 102,727,426,487,326.11
  5. Step 5: Solve for x
    x = 102,727,426,487,326.11/8,446,890.09
  6. Step 6: Final answer
    x = 12,161,567.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.