Finding the Fourth Proportional to 14,272,860.78, 19,696,567.23 and 7,746,490.44
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Solution
The fourth proportional to 14,272,860.78, 19,696,567.23 and 7,746,490.44 is: 10,690,167.31
Step by Step Solution
- Step 1: Write the proportion equation
14,272,860.78 : 19,696,567.23 = 7,746,490.44 : x - Step 2: Convert to fraction form
14,272,860.78/19,696,567.23 = 7,746,490.44/x - Step 3: Cross multiply
14,272,860.78x = 19,696,567.23 × 7,746,490.44 - Step 4: Simplify right side
14,272,860.78x = 152,579,269,748,012.28 - Step 5: Solve for x
x = 152,579,269,748,012.28/14,272,860.78 - Step 6: Final answer
x = 10,690,167.31
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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.