Finding the Fourth Proportional to 14,209,620.41, 19,609,290.07 and 7,683,248.18
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Solution
The fourth proportional to 14,209,620.41, 19,609,290.07 and 7,683,248.18 is: 10,602,890.01
Step by Step Solution
- Step 1: Write the proportion equation
14,209,620.41 : 19,609,290.07 = 7,683,248.18 : x - Step 2: Convert to fraction form
14,209,620.41/19,609,290.07 = 7,683,248.18/x - Step 3: Cross multiply
14,209,620.41x = 19,609,290.07 × 7,683,248.18 - Step 4: Simplify right side
14,209,620.41x = 150,663,042,271,234.66 - Step 5: Solve for x
x = 150,663,042,271,234.66/14,209,620.41 - Step 6: Final answer
x = 10,602,890.01
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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.