Finding the Fourth Proportional to 30,276,135.36, 41,781,107.04 and 19,411,119.04
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Solution
The fourth proportional to 30,276,135.36, 41,781,107.04 and 19,411,119.04 is: 26,787,370.08
Step by Step Solution
- Step 1: Write the proportion equation
30,276,135.36 : 41,781,107.04 = 19,411,119.04 : x - Step 2: Convert to fraction form
30,276,135.36/41,781,107.04 = 19,411,119.04/x - Step 3: Cross multiply
30,276,135.36x = 41,781,107.04 × 19,411,119.04 - Step 4: Simplify right side
30,276,135.36x = 811,018,042,376,422 - Step 5: Solve for x
x = 811,018,042,376,422/30,276,135.36 - Step 6: Final answer
x = 26,787,370.08
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1.5x scale
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.