Finding the Fourth Proportional to 38,688,017.21, 53,367,292.82 and 24,176,134.97
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Solution
The fourth proportional to 38,688,017.21, 53,367,292.82 and 24,176,134.97 is: 33,349,211.65
Step by Step Solution
- Step 1: Write the proportion equation
38,688,017.21 : 53,367,292.82 = 24,176,134.97 : x - Step 2: Convert to fraction form
38,688,017.21/53,367,292.82 = 24,176,134.97/x - Step 3: Cross multiply
38,688,017.21x = 53,367,292.82 × 24,176,134.97 - Step 4: Simplify right side
38,688,017.21x = 1,290,214,874,057,572.50 - Step 5: Solve for x
x = 1,290,214,874,057,572.50/38,688,017.21 - Step 6: Final answer
x = 33,349,211.65
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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.