Finding the Fourth Proportional to 14,261,210.78, 19,680,916.37 and 8,066,136.26
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Solution
The fourth proportional to 14,261,210.78, 19,680,916.37 and 8,066,136.26 is: 11,131,520.02
Step by Step Solution
- Step 1: Write the proportion equation
14,261,210.78 : 19,680,916.37 = 8,066,136.26 : x - Step 2: Convert to fraction form
14,261,210.78/19,680,916.37 = 8,066,136.26/x - Step 3: Cross multiply
14,261,210.78x = 19,680,916.37 × 8,066,136.26 - Step 4: Simplify right side
14,261,210.78x = 158,748,953,246,980.59 - Step 5: Solve for x
x = 158,748,953,246,980.59/14,261,210.78 - Step 6: Final answer
x = 11,131,520.02
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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.