Finding the Fourth Proportional to 8,785,285.89, 12,115,177.33 and 6,850,840.65
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Solution
The fourth proportional to 8,785,285.89, 12,115,177.33 and 6,850,840.65 is: 9,447,518.31
Step by Step Solution
- Step 1: Write the proportion equation
8,785,285.89 : 12,115,177.33 = 6,850,840.65 : x - Step 2: Convert to fraction form
8,785,285.89/12,115,177.33 = 6,850,840.65/x - Step 3: Cross multiply
8,785,285.89x = 12,115,177.33 × 6,850,840.65 - Step 4: Simplify right side
8,785,285.89x = 82,999,149,352,756.66 - Step 5: Solve for x
x = 82,999,149,352,756.66/8,785,285.89 - Step 6: Final answer
x = 9,447,518.31
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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.