Finding the Fourth Proportional to 57,580,873.68, 86,371,310.76 and 19,242,387.80
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Solution
The fourth proportional to 57,580,873.68, 86,371,310.76 and 19,242,387.80 is: 28,863,581.78
Step by Step Solution
- Step 1: Write the proportion equation
57,580,873.68 : 86,371,310.76 = 19,242,387.80 : x - Step 2: Convert to fraction form
57,580,873.68/86,371,310.76 = 19,242,387.80/x - Step 3: Cross multiply
57,580,873.68x = 86,371,310.76 × 19,242,387.80 - Step 4: Simplify right side
57,580,873.68x = 1,661,990,256,438,233 - Step 5: Solve for x
x = 1,661,990,256,438,233/57,580,873.68 - Step 6: Final answer
x = 28,863,581.78
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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.