Finding the Fourth Proportional to 34,574,993.68, 47,716,211.18 and 19,690,947.08
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Solution
The fourth proportional to 34,574,993.68, 47,716,211.18 and 19,690,947.08 is: 27,175,055.99
Step by Step Solution
- Step 1: Write the proportion equation
34,574,993.68 : 47,716,211.18 = 19,690,947.08 : x - Step 2: Convert to fraction form
34,574,993.68/47,716,211.18 = 19,690,947.08/x - Step 3: Cross multiply
34,574,993.68x = 47,716,211.18 × 19,690,947.08 - Step 4: Simplify right side
34,574,993.68x = 939,577,389,203,484.25 - Step 5: Solve for x
x = 939,577,389,203,484.25/34,574,993.68 - Step 6: Final answer
x = 27,175,055.99
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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.