Finding the Fourth Proportional to 37,257,557.79, 51,415,036.97 and 20,737,419.06
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Solution
The fourth proportional to 37,257,557.79, 51,415,036.97 and 20,737,419.06 is: 28,617,419.68
Step by Step Solution
- Step 1: Write the proportion equation
37,257,557.79 : 51,415,036.97 = 20,737,419.06 : x - Step 2: Convert to fraction form
37,257,557.79/51,415,036.97 = 20,737,419.06/x - Step 3: Cross multiply
37,257,557.79x = 51,415,036.97 × 20,737,419.06 - Step 4: Simplify right side
37,257,557.79x = 1,066,215,167,528,595.50 - Step 5: Solve for x
x = 1,066,215,167,528,595.50/37,257,557.79 - Step 6: Final answer
x = 28,617,419.68
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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.