Finding the Fourth Proportional to 38,996,587.19, 53,816,913.41 and 21,592,931.87
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Solution
The fourth proportional to 38,996,587.19, 53,816,913.41 and 21,592,931.87 is: 29,799,144.70
Step by Step Solution
- Step 1: Write the proportion equation
38,996,587.19 : 53,816,913.41 = 21,592,931.87 : x - Step 2: Convert to fraction form
38,996,587.19/53,816,913.41 = 21,592,931.87/x - Step 3: Cross multiply
38,996,587.19x = 53,816,913.41 × 21,592,931.87 - Step 4: Simplify right side
38,996,587.19x = 1,162,064,944,338,770 - Step 5: Solve for x
x = 1,162,064,944,338,770/38,996,587.19 - Step 6: Final answer
x = 29,799,144.70
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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.