Finding the Fourth Proportional to 31,505,726.43, 47,241,531.05 and 14,213,718.99
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Solution
The fourth proportional to 31,505,726.43, 47,241,531.05 and 14,213,718.99 is: 21,312,882.55
Step by Step Solution
- Step 1: Write the proportion equation
31,505,726.43 : 47,241,531.05 = 14,213,718.99 : x - Step 2: Convert to fraction form
31,505,726.43/47,241,531.05 = 14,213,718.99/x - Step 3: Cross multiply
31,505,726.43x = 47,241,531.05 × 14,213,718.99 - Step 4: Simplify right side
31,505,726.43x = 671,477,846,930,991.12 - Step 5: Solve for x
x = 671,477,846,930,991.12/31,505,726.43 - Step 6: Final answer
x = 21,312,882.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.