Finding the Fourth Proportional to 19,169,208.93, 28,748,576.17 and 6,870,880.00
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Solution
The fourth proportional to 19,169,208.93, 28,748,576.17 and 6,870,880.00 is: 10,304,442.81
Step by Step Solution
- Step 1: Write the proportion equation
19,169,208.93 : 28,748,576.17 = 6,870,880.00 : x - Step 2: Convert to fraction form
19,169,208.93/28,748,576.17 = 6,870,880.00/x - Step 3: Cross multiply
19,169,208.93x = 28,748,576.17 × 6,870,880.00 - Step 4: Simplify right side
19,169,208.93x = 197,528,017,079,453.91 - Step 5: Solve for x
x = 197,528,017,079,453.91/19,169,208.93 - Step 6: Final answer
x = 10,304,442.81
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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.