Finding the Fourth Proportional to 14,272,802.10, 19,696,486.33 and 7,746,431.63
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Solution
The fourth proportional to 14,272,802.10, 19,696,486.33 and 7,746,431.63 is: 10,690,086.19
Step by Step Solution
- Step 1: Write the proportion equation
14,272,802.10 : 19,696,486.33 = 7,746,431.63 : x - Step 2: Convert to fraction form
14,272,802.10/19,696,486.33 = 7,746,431.63/x - Step 3: Cross multiply
14,272,802.10x = 19,696,486.33 × 7,746,431.63 - Step 4: Simplify right side
14,272,802.10x = 152,577,484,617,775.22 - Step 5: Solve for x
x = 152,577,484,617,775.22/14,272,802.10 - Step 6: Final answer
x = 10,690,086.19
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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.