Finding the Fourth Proportional to 35,787,028.10, 49,386,752.82 and 19,893,605.12
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Solution
The fourth proportional to 35,787,028.10, 49,386,752.82 and 19,893,605.12 is: 27,453,538.64
Step by Step Solution
- Step 1: Write the proportion equation
35,787,028.10 : 49,386,752.82 = 19,893,605.12 : x - Step 2: Convert to fraction form
35,787,028.10/49,386,752.82 = 19,893,605.12/x - Step 3: Cross multiply
35,787,028.10x = 49,386,752.82 × 19,893,605.12 - Step 4: Simplify right side
35,787,028.10x = 982,480,558,760,126.50 - Step 5: Solve for x
x = 982,480,558,760,126.50/35,787,028.10 - Step 6: Final answer
x = 27,453,538.64
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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.