Finding the Fourth Proportional to 36,416,938.77, 50,254,788.96 and 19,896,708.51
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Solution
The fourth proportional to 36,416,938.77, 50,254,788.96 and 19,896,708.51 is: 27,457,137.28
Step by Step Solution
- Step 1: Write the proportion equation
36,416,938.77 : 50,254,788.96 = 19,896,708.51 : x - Step 2: Convert to fraction form
36,416,938.77/50,254,788.96 = 19,896,708.51/x - Step 3: Cross multiply
36,416,938.77x = 50,254,788.96 × 19,896,708.51 - Step 4: Simplify right side
36,416,938.77x = 999,904,887,168,686.12 - Step 5: Solve for x
x = 999,904,887,168,686.12/36,416,938.77 - Step 6: Final answer
x = 27,457,137.28
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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.