Finding the Fourth Proportional to 35,349,493.30, 48,778,014.86 and 19,664,810.17
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Solution
The fourth proportional to 35,349,493.30, 48,778,014.86 and 19,664,810.17 is: 27,135,053.80
Step by Step Solution
- Step 1: Write the proportion equation
35,349,493.30 : 48,778,014.86 = 19,664,810.17 : x - Step 2: Convert to fraction form
35,349,493.30/48,778,014.86 = 19,664,810.17/x - Step 3: Cross multiply
35,349,493.30x = 48,778,014.86 × 19,664,810.17 - Step 4: Simplify right side
35,349,493.30x = 959,210,402,593,015.12 - Step 5: Solve for x
x = 959,210,402,593,015.12/35,349,493.30 - Step 6: Final answer
x = 27,135,053.80
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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.