Finding the Fourth Proportional to 18,424,864.98, 27,640,839.87 and 7,064,427.62
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Solution
The fourth proportional to 18,424,864.98, 27,640,839.87 and 7,064,427.62 is: 10,597,999.65
Step by Step Solution
- Step 1: Write the proportion equation
18,424,864.98 : 27,640,839.87 = 7,064,427.62 : x - Step 2: Convert to fraction form
18,424,864.98/27,640,839.87 = 7,064,427.62/x - Step 3: Cross multiply
18,424,864.98x = 27,640,839.87 × 7,064,427.62 - Step 4: Simplify right side
18,424,864.98x = 195,266,712,617,625.22 - Step 5: Solve for x
x = 195,266,712,617,625.22/18,424,864.98 - Step 6: Final answer
x = 10,597,999.65
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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.