Finding the Fourth Proportional to 23,228,989.71, 32,054,339.14 and 12,775,731.13
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Solution
The fourth proportional to 23,228,989.71, 32,054,339.14 and 12,775,731.13 is: 17,629,592.31
Step by Step Solution
- Step 1: Write the proportion equation
23,228,989.71 : 32,054,339.14 = 12,775,731.13 : x - Step 2: Convert to fraction form
23,228,989.71/32,054,339.14 = 12,775,731.13/x - Step 3: Cross multiply
23,228,989.71x = 32,054,339.14 × 12,775,731.13 - Step 4: Simplify right side
23,228,989.71x = 409,517,618,402,475.44 - Step 5: Solve for x
x = 409,517,618,402,475.44/23,228,989.71 - Step 6: Final answer
x = 17,629,592.31
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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.