Finding the Fourth Proportional to 29,342,275.20, 44,013,412.80 and 18,571,737.60
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Solution
The fourth proportional to 29,342,275.20, 44,013,412.80 and 18,571,737.60 is: 27,857,606.40
Step by Step Solution
- Step 1: Write the proportion equation
29,342,275.20 : 44,013,412.80 = 18,571,737.60 : x - Step 2: Convert to fraction form
29,342,275.20/44,013,412.80 = 18,571,737.60/x - Step 3: Cross multiply
29,342,275.20x = 44,013,412.80 × 18,571,737.60 - Step 4: Simplify right side
29,342,275.20x = 817,405,553,402,081.25 - Step 5: Solve for x
x = 817,405,553,402,081.25/29,342,275.20 - Step 6: Final answer
x = 27,857,606.40
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1.5x scale
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.