Finding the Fourth Proportional to 19,975,680.29, 29,964,849.04 and 7,020,264.08
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Solution
The fourth proportional to 19,975,680.29, 29,964,849.04 and 7,020,264.08 is: 10,530,863.05
Step by Step Solution
- Step 1: Write the proportion equation
19,975,680.29 : 29,964,849.04 = 7,020,264.08 : x - Step 2: Convert to fraction form
19,975,680.29/29,964,849.04 = 7,020,264.08/x - Step 3: Cross multiply
19,975,680.29x = 29,964,849.04 × 7,020,264.08 - Step 4: Simplify right side
19,975,680.29x = 210,361,153,461,821.94 - Step 5: Solve for x
x = 210,361,153,461,821.94/19,975,680.29 - Step 6: Final answer
x = 10,530,863.05
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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.