Finding the Fourth Proportional to 19,386,433.20, 26,752,186.26 and 10,684,579.08
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Solution
The fourth proportional to 19,386,433.20, 26,752,186.26 and 10,684,579.08 is: 14,744,117.53
Step by Step Solution
- Step 1: Write the proportion equation
19,386,433.20 : 26,752,186.26 = 10,684,579.08 : x - Step 2: Convert to fraction form
19,386,433.20/26,752,186.26 = 10,684,579.08/x - Step 3: Cross multiply
19,386,433.20x = 26,752,186.26 × 10,684,579.08 - Step 4: Simplify right side
19,386,433.20x = 285,835,849,657,859.44 - Step 5: Solve for x
x = 285,835,849,657,859.44/19,386,433.20 - Step 6: Final answer
x = 14,744,117.53
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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.