Finding the Fourth Proportional to 19,999,643.78, 27,601,748.33 and 11,298,376.94
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Solution
The fourth proportional to 19,999,643.78, 27,601,748.33 and 11,298,376.94 is: 15,593,025.56
Step by Step Solution
- Step 1: Write the proportion equation
19,999,643.78 : 27,601,748.33 = 11,298,376.94 : x - Step 2: Convert to fraction form
19,999,643.78/27,601,748.33 = 11,298,376.94/x - Step 3: Cross multiply
19,999,643.78x = 27,601,748.33 × 11,298,376.94 - Step 4: Simplify right side
19,999,643.78x = 311,854,956,640,854.88 - Step 5: Solve for x
x = 311,854,956,640,854.88/19,999,643.78 - Step 6: Final answer
x = 15,593,025.56
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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.