Finding the Fourth Proportional to 19,880,358.30, 29,820,537.45 and 14,778,524.70
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Solution
The fourth proportional to 19,880,358.30, 29,820,537.45 and 14,778,524.70 is: 22,167,787.05
Step by Step Solution
- Step 1: Write the proportion equation
19,880,358.30 : 29,820,537.45 = 14,778,524.70 : x - Step 2: Convert to fraction form
19,880,358.30/29,820,537.45 = 14,778,524.70/x - Step 3: Cross multiply
19,880,358.30x = 29,820,537.45 × 14,778,524.70 - Step 4: Simplify right side
19,880,358.30x = 440,703,549,272,100 - Step 5: Solve for x
x = 440,703,549,272,100/19,880,358.30 - Step 6: Final answer
x = 22,167,787.05
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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.