Finding the Fourth Proportional to 29,370,811.24, 40,537,550.82 and 18,767,423.08
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Solution
The fourth proportional to 29,370,811.24, 40,537,550.82 and 18,767,423.08 is: 25,902,769.95
Step by Step Solution
- Step 1: Write the proportion equation
29,370,811.24 : 40,537,550.82 = 18,767,423.08 : x - Step 2: Convert to fraction form
29,370,811.24/40,537,550.82 = 18,767,423.08/x - Step 3: Cross multiply
29,370,811.24x = 40,537,550.82 × 18,767,423.08 - Step 4: Simplify right side
29,370,811.24x = 760,785,366,865,940.88 - Step 5: Solve for x
x = 760,785,366,865,940.88/29,370,811.24 - Step 6: Final answer
x = 25,902,769.95
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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.