Finding the Fourth Proportional to 8,242,288.81, 12,365,316.77 and 2,850,934.68
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Solution
The fourth proportional to 8,242,288.81, 12,365,316.77 and 2,850,934.68 is: 4,277,053.52
Step by Step Solution
- Step 1: Write the proportion equation
8,242,288.81 : 12,365,316.77 = 2,850,934.68 : x - Step 2: Convert to fraction form
8,242,288.81/12,365,316.77 = 2,850,934.68/x - Step 3: Cross multiply
8,242,288.81x = 12,365,316.77 × 2,850,934.68 - Step 4: Simplify right side
8,242,288.81x = 35,252,710,408,778.59 - Step 5: Solve for x
x = 35,252,710,408,778.59/8,242,288.81 - Step 6: Final answer
x = 4,277,053.52
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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.