Finding the Fourth Proportional to 16,172,725.25, 22,319,264.70 and 8,831,239.63
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Solution
The fourth proportional to 16,172,725.25, 22,319,264.70 and 8,831,239.63 is: 12,187,604.24
Step by Step Solution
- Step 1: Write the proportion equation
16,172,725.25 : 22,319,264.70 = 8,831,239.63 : x - Step 2: Convert to fraction form
16,172,725.25/22,319,264.70 = 8,831,239.63/x - Step 3: Cross multiply
16,172,725.25x = 22,319,264.70 × 8,831,239.63 - Step 4: Simplify right side
16,172,725.25x = 197,106,774,875,301.88 - Step 5: Solve for x
x = 197,106,774,875,301.88/16,172,725.25 - Step 6: Final answer
x = 12,187,604.24
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1.5x scale
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.