Finding the Fourth Proportional to 31,598,855.93, 47,411,975.84 and 11,143,191.53
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Solution
The fourth proportional to 31,598,855.93, 47,411,975.84 and 11,143,191.53 is: 16,719,615.70
Step by Step Solution
- Step 1: Write the proportion equation
31,598,855.93 : 47,411,975.84 = 11,143,191.53 : x - Step 2: Convert to fraction form
31,598,855.93/47,411,975.84 = 11,143,191.53/x - Step 3: Cross multiply
31,598,855.93x = 47,411,975.84 × 11,143,191.53 - Step 4: Simplify right side
31,598,855.93x = 528,320,727,663,666.69 - Step 5: Solve for x
x = 528,320,727,663,666.69/31,598,855.93 - Step 6: Final answer
x = 16,719,615.70
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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.