Finding the Fourth Proportional to 7,893,998.68, 10,893,719.10 and 4,272,326.68
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Solution
The fourth proportional to 7,893,998.68, 10,893,719.10 and 4,272,326.68 is: 5,895,811.32
Step by Step Solution
- Step 1: Write the proportion equation
7,893,998.68 : 10,893,719.10 = 4,272,326.68 : x - Step 2: Convert to fraction form
7,893,998.68/10,893,719.10 = 4,272,326.68/x - Step 3: Cross multiply
7,893,998.68x = 10,893,719.10 × 4,272,326.68 - Step 4: Simplify right side
7,893,998.68x = 46,541,526,755,355.59 - Step 5: Solve for x
x = 46,541,526,755,355.59/7,893,998.68 - Step 6: Final answer
x = 5,895,811.32
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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.