Finding the Fourth Proportional to 16,946,713.80, 25,420,070.70 and 15,553,254.60
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Solution
The fourth proportional to 16,946,713.80, 25,420,070.70 and 15,553,254.60 is: 23,329,881.90
Step by Step Solution
- Step 1: Write the proportion equation
16,946,713.80 : 25,420,070.70 = 15,553,254.60 : x - Step 2: Convert to fraction form
16,946,713.80/25,420,070.70 = 15,553,254.60/x - Step 3: Cross multiply
16,946,713.80x = 25,420,070.70 × 15,553,254.60 - Step 4: Simplify right side
16,946,713.80x = 395,364,831,547,100.19 - Step 5: Solve for x
x = 395,364,831,547,100.19/16,946,713.80 - Step 6: Final answer
x = 23,329,881.90
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.