Finding the Fourth Proportional to 40,268,447.07, 60,391,646.68 and 11,115,316.84
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Solution
The fourth proportional to 40,268,447.07, 60,391,646.68 and 11,115,316.84 is: 16,669,932.32
Step by Step Solution
- Step 1: Write the proportion equation
40,268,447.07 : 60,391,646.68 = 11,115,316.84 : x - Step 2: Convert to fraction form
40,268,447.07/60,391,646.68 = 11,115,316.84/x - Step 3: Cross multiply
40,268,447.07x = 60,391,646.68 × 11,115,316.84 - Step 4: Simplify right side
40,268,447.07x = 671,272,287,337,534.12 - Step 5: Solve for x
x = 671,272,287,337,534.12/40,268,447.07 - Step 6: Final answer
x = 16,669,932.32
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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.