Finding the Fourth Proportional to 11,157,703.80, 16,736,555.70 and 9,268,135.80
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Solution
The fourth proportional to 11,157,703.80, 16,736,555.70 and 9,268,135.80 is: 13,902,203.70
Step by Step Solution
- Step 1: Write the proportion equation
11,157,703.80 : 16,736,555.70 = 9,268,135.80 : x - Step 2: Convert to fraction form
11,157,703.80/16,736,555.70 = 9,268,135.80/x - Step 3: Cross multiply
11,157,703.80x = 16,736,555.70 × 9,268,135.80 - Step 4: Simplify right side
11,157,703.80x = 155,116,671,051,864.06 - Step 5: Solve for x
x = 155,116,671,051,864.06/11,157,703.80 - Step 6: Final answer
x = 13,902,203.70
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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.