Finding the Fourth Proportional to 12,927,445.34, 17,839,998.77 and 7,126,434.68
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Solution
The fourth proportional to 12,927,445.34, 17,839,998.77 and 7,126,434.68 is: 9,834,548.32
Step by Step Solution
- Step 1: Write the proportion equation
12,927,445.34 : 17,839,998.77 = 7,126,434.68 : x - Step 2: Convert to fraction form
12,927,445.34/17,839,998.77 = 7,126,434.68/x - Step 3: Cross multiply
12,927,445.34x = 17,839,998.77 × 7,126,434.68 - Step 4: Simplify right side
12,927,445.34x = 127,135,585,800,853.17 - Step 5: Solve for x
x = 127,135,585,800,853.17/12,927,445.34 - Step 6: Final answer
x = 9,834,548.32
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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.