Finding the Fourth Proportional to 35,369,811.36, 48,809,995.20 and 19,688,587.20
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Solution
The fourth proportional to 35,369,811.36, 48,809,995.20 and 19,688,587.20 is: 27,170,058.58
Step by Step Solution
- Step 1: Write the proportion equation
35,369,811.36 : 48,809,995.20 = 19,688,587.20 : x - Step 2: Convert to fraction form
35,369,811.36/48,809,995.20 = 19,688,587.20/x - Step 3: Cross multiply
35,369,811.36x = 48,809,995.20 × 19,688,587.20 - Step 4: Simplify right side
35,369,811.36x = 960,999,846,726,781.50 - Step 5: Solve for x
x = 960,999,846,726,781.50/35,369,811.36 - Step 6: Final answer
x = 27,170,058.58
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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.