Finding the Fourth Proportional to 22,889,918.18, 31,580,274.65 and 14,184,914.60
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Solution
The fourth proportional to 22,889,918.18, 31,580,274.65 and 14,184,914.60 is: 19,570,340.76
Step by Step Solution
- Step 1: Write the proportion equation
22,889,918.18 : 31,580,274.65 = 14,184,914.60 : x - Step 2: Convert to fraction form
22,889,918.18/31,580,274.65 = 14,184,914.60/x - Step 3: Cross multiply
22,889,918.18x = 31,580,274.65 × 14,184,914.60 - Step 4: Simplify right side
22,889,918.18x = 447,963,498,725,968.94 - Step 5: Solve for x
x = 447,963,498,725,968.94/22,889,918.18 - Step 6: Final answer
x = 19,570,340.76
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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.