Finding the Fourth Proportional to 14,272,490.52, 19,696,178.70 and 7,746,177.96
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Solution
The fourth proportional to 14,272,490.52, 19,696,178.70 and 7,746,177.96 is: 10,689,802.54
Step by Step Solution
- Step 1: Write the proportion equation
14,272,490.52 : 19,696,178.70 = 7,746,177.96 : x - Step 2: Convert to fraction form
14,272,490.52/19,696,178.70 = 7,746,177.96/x - Step 3: Cross multiply
14,272,490.52x = 19,696,178.70 × 7,746,177.96 - Step 4: Simplify right side
14,272,490.52x = 152,570,105,342,161.44 - Step 5: Solve for x
x = 152,570,105,342,161.44/14,272,490.52 - Step 6: Final answer
x = 10,689,802.54
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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.