Finding the Fourth Proportional to 14,402,383.47, 19,876,829.45 and 8,824,331.81
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Solution
The fourth proportional to 14,402,383.47, 19,876,829.45 and 8,824,331.81 is: 12,178,521.62
Step by Step Solution
- Step 1: Write the proportion equation
14,402,383.47 : 19,876,829.45 = 8,824,331.81 : x - Step 2: Convert to fraction form
14,402,383.47/19,876,829.45 = 8,824,331.81/x - Step 3: Cross multiply
14,402,383.47x = 19,876,829.45 × 8,824,331.81 - Step 4: Simplify right side
14,402,383.47x = 175,399,738,397,579.81 - Step 5: Solve for x
x = 175,399,738,397,579.81/14,402,383.47 - Step 6: Final answer
x = 12,178,521.62
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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.