Finding the Fourth Proportional to 29,142,374.49, 40,220,003.70 and 16,586,482.05
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Solution
The fourth proportional to 29,142,374.49, 40,220,003.70 and 16,586,482.05 is: 22,891,352.58
Step by Step Solution
- Step 1: Write the proportion equation
29,142,374.49 : 40,220,003.70 = 16,586,482.05 : x - Step 2: Convert to fraction form
29,142,374.49/40,220,003.70 = 16,586,482.05/x - Step 3: Cross multiply
29,142,374.49x = 40,220,003.70 × 16,586,482.05 - Step 4: Simplify right side
29,142,374.49x = 667,108,369,420,983.62 - Step 5: Solve for x
x = 667,108,369,420,983.62/29,142,374.49 - Step 6: Final answer
x = 22,891,352.58
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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.