Finding the Fourth Proportional to 36,828,209.35, 55,242,304.30 and 12,567,134.71
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Solution
The fourth proportional to 36,828,209.35, 55,242,304.30 and 12,567,134.71 is: 18,850,698.75
Step by Step Solution
- Step 1: Write the proportion equation
36,828,209.35 : 55,242,304.30 = 12,567,134.71 : x - Step 2: Convert to fraction form
36,828,209.35/55,242,304.30 = 12,567,134.71/x - Step 3: Cross multiply
36,828,209.35x = 55,242,304.30 × 12,567,134.71 - Step 4: Simplify right side
36,828,209.35x = 694,237,479,828,912.25 - Step 5: Solve for x
x = 694,237,479,828,912.25/36,828,209.35 - Step 6: Final answer
x = 18,850,698.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.