Finding the Fourth Proportional to 19,958,943.16, 27,543,181.21 and 11,587,089.73
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Solution
The fourth proportional to 19,958,943.16, 27,543,181.21 and 11,587,089.73 is: 15,990,090.74
Step by Step Solution
- Step 1: Write the proportion equation
19,958,943.16 : 27,543,181.21 = 11,587,089.73 : x - Step 2: Convert to fraction form
19,958,943.16/27,543,181.21 = 11,587,089.73/x - Step 3: Cross multiply
19,958,943.16x = 27,543,181.21 × 11,587,089.73 - Step 4: Simplify right side
19,958,943.16x = 319,145,312,129,920 - Step 5: Solve for x
x = 319,145,312,129,920/19,958,943.16 - Step 6: Final answer
x = 15,990,090.74
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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.