Finding the Fourth Proportional to 35,112,398.49, 48,455,181.05 and 19,642,741.47
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Solution
The fourth proportional to 35,112,398.49, 48,455,181.05 and 19,642,741.47 is: 27,107,023.02
Step by Step Solution
- Step 1: Write the proportion equation
35,112,398.49 : 48,455,181.05 = 19,642,741.47 : x - Step 2: Convert to fraction form
35,112,398.49/48,455,181.05 = 19,642,741.47/x - Step 3: Cross multiply
35,112,398.49x = 48,455,181.05 × 19,642,741.47 - Step 4: Simplify right side
35,112,398.49x = 951,792,594,148,979.38 - Step 5: Solve for x
x = 951,792,594,148,979.38/35,112,398.49 - Step 6: Final answer
x = 27,107,023.02
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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.