Finding the Fourth Proportional to 19,911,634.20, 27,480,675.60 and 11,211,502.14
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Solution
The fourth proportional to 19,911,634.20, 27,480,675.60 and 11,211,502.14 is: 15,473,348.41
Step by Step Solution
- Step 1: Write the proportion equation
19,911,634.20 : 27,480,675.60 = 11,211,502.14 : x - Step 2: Convert to fraction form
19,911,634.20/27,480,675.60 = 11,211,502.14/x - Step 3: Cross multiply
19,911,634.20x = 27,480,675.60 × 11,211,502.14 - Step 4: Simplify right side
19,911,634.20x = 308,099,653,298,045.81 - Step 5: Solve for x
x = 308,099,653,298,045.81/19,911,634.20 - Step 6: Final answer
x = 15,473,348.41
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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.