Finding the Fourth Proportional to 34,684,026.36, 47,860,468.12 and 19,211,220.06
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Solution
The fourth proportional to 34,684,026.36, 47,860,468.12 and 19,211,220.06 is: 26,509,551.56
Step by Step Solution
- Step 1: Write the proportion equation
34,684,026.36 : 47,860,468.12 = 19,211,220.06 : x - Step 2: Convert to fraction form
34,684,026.36/47,860,468.12 = 19,211,220.06/x - Step 3: Cross multiply
34,684,026.36x = 47,860,468.12 × 19,211,220.06 - Step 4: Simplify right side
34,684,026.36x = 919,457,985,072,471.75 - Step 5: Solve for x
x = 919,457,985,072,471.75/34,684,026.36 - Step 6: Final answer
x = 26,509,551.56
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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.