Finding the Fourth Proportional to 38,965,419.68, 53,728,275.44 and 29,144,389.92
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Solution
The fourth proportional to 38,965,419.68, 53,728,275.44 and 29,144,389.92 is: 40,186,345.28
Step by Step Solution
- Step 1: Write the proportion equation
38,965,419.68 : 53,728,275.44 = 29,144,389.92 : x - Step 2: Convert to fraction form
38,965,419.68/53,728,275.44 = 29,144,389.92/x - Step 3: Cross multiply
38,965,419.68x = 53,728,275.44 × 29,144,389.92 - Step 4: Simplify right side
38,965,419.68x = 1,565,877,809,152,519.50 - Step 5: Solve for x
x = 1,565,877,809,152,519.50/38,965,419.68 - Step 6: Final answer
x = 40,186,345.28
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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.