Finding the Fourth Proportional to 40,414,822.63, 55,772,477.60 and 21,829,962.68
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Solution
The fourth proportional to 40,414,822.63, 55,772,477.60 and 21,829,962.68 is: 30,125,360.58
Step by Step Solution
- Step 1: Write the proportion equation
40,414,822.63 : 55,772,477.60 = 21,829,962.68 : x - Step 2: Convert to fraction form
40,414,822.63/55,772,477.60 = 21,829,962.68/x - Step 3: Cross multiply
40,414,822.63x = 55,772,477.60 × 21,829,962.68 - Step 4: Simplify right side
40,414,822.63x = 1,217,511,104,579,136 - Step 5: Solve for x
x = 1,217,511,104,579,136/40,414,822.63 - Step 6: Final answer
x = 30,125,360.58
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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.