Finding the Fourth Proportional to 12,749,105.16, 17,593,252.14 and 6,947,763.12
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Solution
The fourth proportional to 12,749,105.16, 17,593,252.14 and 6,947,763.12 is: 9,587,633.55
Step by Step Solution
- Step 1: Write the proportion equation
12,749,105.16 : 17,593,252.14 = 6,947,763.12 : x - Step 2: Convert to fraction form
12,749,105.16/17,593,252.14 = 6,947,763.12/x - Step 3: Cross multiply
12,749,105.16x = 17,593,252.14 × 6,947,763.12 - Step 4: Simplify right side
12,749,105.16x = 122,233,748,379,153.08 - Step 5: Solve for x
x = 122,233,748,379,153.08/12,749,105.16 - Step 6: Final answer
x = 9,587,633.55
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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.