Finding the Fourth Proportional to 19,626,361.08, 29,437,855.20 and 11,948,013.06
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Solution
The fourth proportional to 19,626,361.08, 29,437,855.20 and 11,948,013.06 is: 17,920,992.94
Step by Step Solution
- Step 1: Write the proportion equation
19,626,361.08 : 29,437,855.20 = 11,948,013.06 : x - Step 2: Convert to fraction form
19,626,361.08/29,437,855.20 = 11,948,013.06/x - Step 3: Cross multiply
19,626,361.08x = 29,437,855.20 × 11,948,013.06 - Step 4: Simplify right side
19,626,361.08x = 351,723,878,387,988.94 - Step 5: Solve for x
x = 351,723,878,387,988.94/19,626,361.08 - Step 6: Final answer
x = 17,920,992.94
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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.