Finding the Fourth Proportional to 22,911,397.63, 31,618,863.74 and 14,212,373.06
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Solution
The fourth proportional to 22,911,397.63, 31,618,863.74 and 14,212,373.06 is: 19,613,778.90
Step by Step Solution
- Step 1: Write the proportion equation
22,911,397.63 : 31,618,863.74 = 14,212,373.06 : x - Step 2: Convert to fraction form
22,911,397.63/31,618,863.74 = 14,212,373.06/x - Step 3: Cross multiply
22,911,397.63x = 31,618,863.74 × 14,212,373.06 - Step 4: Simplify right side
22,911,397.63x = 449,379,087,320,764.94 - Step 5: Solve for x
x = 449,379,087,320,764.94/22,911,397.63 - Step 6: Final answer
x = 19,613,778.90
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.