Finding the Fourth Proportional to 19,678,493.80, 29,523,270.30 and 9,581,444.20
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Solution
The fourth proportional to 19,678,493.80, 29,523,270.30 and 9,581,444.20 is: 14,374,858.66
Step by Step Solution
- Step 1: Write the proportion equation
19,678,493.80 : 29,523,270.30 = 9,581,444.20 : x - Step 2: Convert to fraction form
19,678,493.80/29,523,270.30 = 9,581,444.20/x - Step 3: Cross multiply
19,678,493.80x = 29,523,270.30 × 9,581,444.20 - Step 4: Simplify right side
19,678,493.80x = 282,875,566,980,967.25 - Step 5: Solve for x
x = 282,875,566,980,967.25/19,678,493.80 - Step 6: Final answer
x = 14,374,858.66
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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.