Finding the Fourth Proportional to 13,133,684.48, 19,712,636.88 and 6,661,302.32
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Solution
The fourth proportional to 13,133,684.48, 19,712,636.88 and 6,661,302.32 is: 9,998,095.66
Step by Step Solution
- Step 1: Write the proportion equation
13,133,684.48 : 19,712,636.88 = 6,661,302.32 : x - Step 2: Convert to fraction form
13,133,684.48/19,712,636.88 = 6,661,302.32/x - Step 3: Cross multiply
13,133,684.48x = 19,712,636.88 × 6,661,302.32 - Step 4: Simplify right side
13,133,684.48x = 131,311,833,782,061.56 - Step 5: Solve for x
x = 131,311,833,782,061.56/13,133,684.48 - Step 6: Final answer
x = 9,998,095.66
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.