Finding the Fourth Proportional to 14,264,778.35, 19,685,394.12 and 8,153,338.07
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Solution
The fourth proportional to 14,264,778.35, 19,685,394.12 and 8,153,338.07 is: 11,251,606.53
Step by Step Solution
- Step 1: Write the proportion equation
14,264,778.35 : 19,685,394.12 = 8,153,338.07 : x - Step 2: Convert to fraction form
14,264,778.35/19,685,394.12 = 8,153,338.07/x - Step 3: Cross multiply
14,264,778.35x = 19,685,394.12 × 8,153,338.07 - Step 4: Simplify right side
14,264,778.35x = 160,501,673,301,550.16 - Step 5: Solve for x
x = 160,501,673,301,550.16/14,264,778.35 - Step 6: Final answer
x = 11,251,606.53
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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.