Finding the Fourth Proportional to 13,029,773.49, 17,973,616.83 and 8,126,482.88
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Solution
The fourth proportional to 13,029,773.49, 17,973,616.83 and 8,126,482.88 is: 11,209,887.08
Step by Step Solution
- Step 1: Write the proportion equation
13,029,773.49 : 17,973,616.83 = 8,126,482.88 : x - Step 2: Convert to fraction form
13,029,773.49/17,973,616.83 = 8,126,482.88/x - Step 3: Cross multiply
13,029,773.49x = 17,973,616.83 × 8,126,482.88 - Step 4: Simplify right side
13,029,773.49x = 146,062,289,536,083.22 - Step 5: Solve for x
x = 146,062,289,536,083.22/13,029,773.49 - Step 6: Final answer
x = 11,209,887.08
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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.