Finding the Fourth Proportional to 8,634,403.29, 12,951,427.08 and 2,877,554.99
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Solution
The fourth proportional to 8,634,403.29, 12,951,427.08 and 2,877,554.99 is: 4,316,273.21
Step by Step Solution
- Step 1: Write the proportion equation
8,634,403.29 : 12,951,427.08 = 2,877,554.99 : x - Step 2: Convert to fraction form
8,634,403.29/12,951,427.08 = 2,877,554.99/x - Step 3: Cross multiply
8,634,403.29x = 12,951,427.08 × 2,877,554.99 - Step 4: Simplify right side
8,634,403.29x = 37,268,443,575,806.50 - Step 5: Solve for x
x = 37,268,443,575,806.50/8,634,403.29 - Step 6: Final answer
x = 4,316,273.21
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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.