Finding the Fourth Proportional to 19,718,608.57, 27,211,691.36 and 11,016,781.18
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Solution
The fourth proportional to 19,718,608.57, 27,211,691.36 and 11,016,781.18 is: 15,203,164.47
Step by Step Solution
- Step 1: Write the proportion equation
19,718,608.57 : 27,211,691.36 = 11,016,781.18 : x - Step 2: Convert to fraction form
19,718,608.57/27,211,691.36 = 11,016,781.18/x - Step 3: Cross multiply
19,718,608.57x = 27,211,691.36 × 11,016,781.18 - Step 4: Simplify right side
19,718,608.57x = 299,785,249,250,816.56 - Step 5: Solve for x
x = 299,785,249,250,816.56/19,718,608.57 - Step 6: Final answer
x = 15,203,164.47
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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.