Finding the Fourth Proportional to 19,421,703.40, 29,132,555.10 and 5,958,509.80
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Solution
The fourth proportional to 19,421,703.40, 29,132,555.10 and 5,958,509.80 is: 8,937,764.70
Step by Step Solution
- Step 1: Write the proportion equation
19,421,703.40 : 29,132,555.10 = 5,958,509.80 : x - Step 2: Convert to fraction form
19,421,703.40/29,132,555.10 = 5,958,509.80/x - Step 3: Cross multiply
19,421,703.40x = 29,132,555.10 × 5,958,509.80 - Step 4: Simplify right side
19,421,703.40x = 173,586,615,062,389.97 - Step 5: Solve for x
x = 173,586,615,062,389.97/19,421,703.40 - Step 6: Final answer
x = 8,937,764.70
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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.