Finding the Fourth Proportional to 14,307,680.09, 19,744,407.72 and 7,781,169.08
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Solution
The fourth proportional to 14,307,680.09, 19,744,407.72 and 7,781,169.08 is: 10,737,909.56
Step by Step Solution
- Step 1: Write the proportion equation
14,307,680.09 : 19,744,407.72 = 7,781,169.08 : x - Step 2: Convert to fraction form
14,307,680.09/19,744,407.72 = 7,781,169.08/x - Step 3: Cross multiply
14,307,680.09x = 19,744,407.72 × 7,781,169.08 - Step 4: Simplify right side
14,307,680.09x = 153,634,574,903,138.31 - Step 5: Solve for x
x = 153,634,574,903,138.31/14,307,680.09 - Step 6: Final answer
x = 10,737,909.56
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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.