Finding the Fourth Proportional to 19,348,670.51, 29,023,001.49 and 7,053,555.62
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Solution
The fourth proportional to 19,348,670.51, 29,023,001.49 and 7,053,555.62 is: 10,580,331.87
Step by Step Solution
- Step 1: Write the proportion equation
19,348,670.51 : 29,023,001.49 = 7,053,555.62 : x - Step 2: Convert to fraction form
19,348,670.51/29,023,001.49 = 7,053,555.62/x - Step 3: Cross multiply
19,348,670.51x = 29,023,001.49 × 7,053,555.62 - Step 4: Simplify right side
19,348,670.51x = 204,715,355,269,057.88 - Step 5: Solve for x
x = 204,715,355,269,057.88/19,348,670.51 - Step 6: Final answer
x = 10,580,331.87
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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.