Finding the Fourth Proportional to 14,793,970.68, 20,421,963.81 and 8,994,603.96
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Solution
The fourth proportional to 14,793,970.68, 20,421,963.81 and 8,994,603.96 is: 12,416,374.25
Step by Step Solution
- Step 1: Write the proportion equation
14,793,970.68 : 20,421,963.81 = 8,994,603.96 : x - Step 2: Convert to fraction form
14,793,970.68/20,421,963.81 = 8,994,603.96/x - Step 3: Cross multiply
14,793,970.68x = 20,421,963.81 × 8,994,603.96 - Step 4: Simplify right side
14,793,970.68x = 183,687,476,556,402.69 - Step 5: Solve for x
x = 183,687,476,556,402.69/14,793,970.68 - Step 6: Final answer
x = 12,416,374.25
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.