Finding the Fourth Proportional to 33,390,402.93, 46,078,653.24 and 18,506,676.06
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Solution
The fourth proportional to 33,390,402.93, 46,078,653.24 and 18,506,676.06 is: 25,539,155.98
Step by Step Solution
- Step 1: Write the proportion equation
33,390,402.93 : 46,078,653.24 = 18,506,676.06 : x - Step 2: Convert to fraction form
33,390,402.93/46,078,653.24 = 18,506,676.06/x - Step 3: Cross multiply
33,390,402.93x = 46,078,653.24 × 18,506,676.06 - Step 4: Simplify right side
33,390,402.93x = 852,762,708,793,749.38 - Step 5: Solve for x
x = 852,762,708,793,749.38/33,390,402.93 - Step 6: Final answer
x = 25,539,155.98
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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.