Finding the Fourth Proportional to 43,135,111.26, 64,703,238.93 and 14,381,256.06
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Solution
The fourth proportional to 43,135,111.26, 64,703,238.93 and 14,381,256.06 is: 21,572,074.81
Step by Step Solution
- Step 1: Write the proportion equation
43,135,111.26 : 64,703,238.93 = 14,381,256.06 : x - Step 2: Convert to fraction form
43,135,111.26/64,703,238.93 = 14,381,256.06/x - Step 3: Cross multiply
43,135,111.26x = 64,703,238.93 × 14,381,256.06 - Step 4: Simplify right side
43,135,111.26x = 930,513,846,963,690.50 - Step 5: Solve for x
x = 930,513,846,963,690.50/43,135,111.26 - Step 6: Final answer
x = 21,572,074.81
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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.