Finding the Fourth Proportional to 21,450,730.32, 29,574,222.93 and 13,893,409.08
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Solution
The fourth proportional to 21,450,730.32, 29,574,222.93 and 13,893,409.08 is: 19,154,908.54
Step by Step Solution
- Step 1: Write the proportion equation
21,450,730.32 : 29,574,222.93 = 13,893,409.08 : x - Step 2: Convert to fraction form
21,450,730.32/29,574,222.93 = 13,893,409.08/x - Step 3: Cross multiply
21,450,730.32x = 29,574,222.93 × 13,893,409.08 - Step 4: Simplify right side
21,450,730.32x = 410,886,777,389,606.19 - Step 5: Solve for x
x = 410,886,777,389,606.19/21,450,730.32 - Step 6: Final answer
x = 19,154,908.54
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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.