Finding the Fourth Proportional to 19,586,255.22, 27,000,545.33 and 13,687,575.68
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Solution
The fourth proportional to 19,586,255.22, 27,000,545.33 and 13,687,575.68 is: 18,868,946.80
Step by Step Solution
- Step 1: Write the proportion equation
19,586,255.22 : 27,000,545.33 = 13,687,575.68 : x - Step 2: Convert to fraction form
19,586,255.22/27,000,545.33 = 13,687,575.68/x - Step 3: Cross multiply
19,586,255.22x = 27,000,545.33 × 13,687,575.68 - Step 4: Simplify right side
19,586,255.22x = 369,572,007,707,365.88 - Step 5: Solve for x
x = 369,572,007,707,365.88/19,586,255.22 - Step 6: Final answer
x = 18,868,946.80
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.