Finding the Fourth Proportional to 22,916,494.44, 31,708,036.62 and 19,982,429.28
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Solution
The fourth proportional to 22,916,494.44, 31,708,036.62 and 19,982,429.28 is: 27,648,364.85
Step by Step Solution
- Step 1: Write the proportion equation
22,916,494.44 : 31,708,036.62 = 19,982,429.28 : x - Step 2: Convert to fraction form
22,916,494.44/31,708,036.62 = 19,982,429.28/x - Step 3: Cross multiply
22,916,494.44x = 31,708,036.62 × 19,982,429.28 - Step 4: Simplify right side
22,916,494.44x = 633,603,599,366,800.25 - Step 5: Solve for x
x = 633,603,599,366,800.25/22,916,494.44 - Step 6: Final answer
x = 27,648,364.85
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.