Finding the Fourth Proportional to 23,389,565.62, 34,913,034.07 and 20,628,434.38
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Solution
The fourth proportional to 23,389,565.62, 34,913,034.07 and 20,628,434.38 is: 30,791,560.82
Step by Step Solution
- Step 1: Write the proportion equation
23,389,565.62 : 34,913,034.07 = 20,628,434.38 : x - Step 2: Convert to fraction form
23,389,565.62/34,913,034.07 = 20,628,434.38/x - Step 3: Cross multiply
23,389,565.62x = 34,913,034.07 × 20,628,434.38 - Step 4: Simplify right side
23,389,565.62x = 720,201,232,319,699.25 - Step 5: Solve for x
x = 720,201,232,319,699.25/23,389,565.62 - Step 6: Final answer
x = 30,791,560.82
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.