Finding the Fourth Proportional to 16,963,536.80, 25,445,305.20 and 13,604,304.80
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Solution
The fourth proportional to 16,963,536.80, 25,445,305.20 and 13,604,304.80 is: 20,406,457.20
Step by Step Solution
- Step 1: Write the proportion equation
16,963,536.80 : 25,445,305.20 = 13,604,304.80 : x - Step 2: Convert to fraction form
16,963,536.80/25,445,305.20 = 13,604,304.80/x - Step 3: Cross multiply
16,963,536.80x = 25,445,305.20 × 13,604,304.80 - Step 4: Simplify right side
16,963,536.80x = 346,165,687,669,825 - Step 5: Solve for x
x = 346,165,687,669,825/16,963,536.80 - Step 6: Final answer
x = 20,406,457.20
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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.