Finding the Fourth Proportional to 8,775,616.80, 12,110,281.68 and 4,908,135.09
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Solution
The fourth proportional to 8,775,616.80, 12,110,281.68 and 4,908,135.09 is: 6,773,187.55
Step by Step Solution
- Step 1: Write the proportion equation
8,775,616.80 : 12,110,281.68 = 4,908,135.09 : x - Step 2: Convert to fraction form
8,775,616.80/12,110,281.68 = 4,908,135.09/x - Step 3: Cross multiply
8,775,616.80x = 12,110,281.68 × 4,908,135.09 - Step 4: Simplify right side
8,775,616.80x = 59,438,898,463,392.15 - Step 5: Solve for x
x = 59,438,898,463,392.15/8,775,616.80 - Step 6: Final answer
x = 6,773,187.55
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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.