Finding the Fourth Proportional to 38,046,643.68, 57,071,837.52 and 15,324,468.96
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Solution
The fourth proportional to 38,046,643.68, 57,071,837.52 and 15,324,468.96 is: 22,987,457.45
Step by Step Solution
- Step 1: Write the proportion equation
38,046,643.68 : 57,071,837.52 = 15,324,468.96 : x - Step 2: Convert to fraction form
38,046,643.68/57,071,837.52 = 15,324,468.96/x - Step 3: Cross multiply
38,046,643.68x = 57,071,837.52 × 15,324,468.96 - Step 4: Simplify right side
38,046,643.68x = 874,595,602,565,403.50 - Step 5: Solve for x
x = 874,595,602,565,403.50/38,046,643.68 - Step 6: Final answer
x = 22,987,457.45
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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.