Finding the Fourth Proportional to 51,717,877.98, 71,371,167.04 and 28,513,837.14
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Solution
The fourth proportional to 51,717,877.98, 71,371,167.04 and 28,513,837.14 is: 39,349,368.39
Step by Step Solution
- Step 1: Write the proportion equation
51,717,877.98 : 71,371,167.04 = 28,513,837.14 : x - Step 2: Convert to fraction form
51,717,877.98/71,371,167.04 = 28,513,837.14/x - Step 3: Cross multiply
51,717,877.98x = 71,371,167.04 × 28,513,837.14 - Step 4: Simplify right side
51,717,877.98x = 2,035,065,833,077,905.75 - Step 5: Solve for x
x = 2,035,065,833,077,905.75/51,717,877.98 - Step 6: Final answer
x = 39,349,368.39
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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.