Finding the Fourth Proportional to 28,513,269.84, 39,349,086.09 and 16,125,215.76
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Solution
The fourth proportional to 28,513,269.84, 39,349,086.09 and 16,125,215.76 is: 22,253,235.30
Step by Step Solution
- Step 1: Write the proportion equation
28,513,269.84 : 39,349,086.09 = 16,125,215.76 : x - Step 2: Convert to fraction form
28,513,269.84/39,349,086.09 = 16,125,215.76/x - Step 3: Cross multiply
28,513,269.84x = 39,349,086.09 × 16,125,215.76 - Step 4: Simplify right side
28,513,269.84x = 634,512,503,099,595.25 - Step 5: Solve for x
x = 634,512,503,099,595.25/28,513,269.84 - Step 6: Final answer
x = 22,253,235.30
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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.