Finding the Fourth Proportional to 19,880,084.61, 29,812,743.36 and 6,922,907.87
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Solution
The fourth proportional to 19,880,084.61, 29,812,743.36 and 6,922,907.87 is: 10,381,790.60
Step by Step Solution
- Step 1: Write the proportion equation
19,880,084.61 : 29,812,743.36 = 6,922,907.87 : x - Step 2: Convert to fraction form
19,880,084.61/29,812,743.36 = 6,922,907.87/x - Step 3: Cross multiply
19,880,084.61x = 29,812,743.36 × 6,922,907.87 - Step 4: Simplify right side
19,880,084.61x = 206,390,875,484,170.53 - Step 5: Solve for x
x = 206,390,875,484,170.53/19,880,084.61 - Step 6: Final answer
x = 10,381,790.60
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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.