Finding the Fourth Proportional to 13,359,070.13, 18,435,552.41 and 7,247,498.63
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Solution
The fourth proportional to 13,359,070.13, 18,435,552.41 and 7,247,498.63 is: 10,001,567.44
Step by Step Solution
- Step 1: Write the proportion equation
13,359,070.13 : 18,435,552.41 = 7,247,498.63 : x - Step 2: Convert to fraction form
13,359,070.13/18,435,552.41 = 7,247,498.63/x - Step 3: Cross multiply
13,359,070.13x = 18,435,552.41 × 7,247,498.63 - Step 4: Simplify right side
13,359,070.13x = 133,611,640,760,709.19 - Step 5: Solve for x
x = 133,611,640,760,709.19/13,359,070.13 - Step 6: Final answer
x = 10,001,567.44
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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.