Finding the Fourth Proportional to 38,387,263.05, 57,580,894.85 and 12,828,272.49
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Solution
The fourth proportional to 38,387,263.05, 57,580,894.85 and 12,828,272.49 is: 19,242,408.83
Step by Step Solution
- Step 1: Write the proportion equation
38,387,263.05 : 57,580,894.85 = 12,828,272.49 : x - Step 2: Convert to fraction form
38,387,263.05/57,580,894.85 = 12,828,272.49/x - Step 3: Cross multiply
38,387,263.05x = 57,580,894.85 × 12,828,272.49 - Step 4: Simplify right side
38,387,263.05x = 738,663,409,289,696.25 - Step 5: Solve for x
x = 738,663,409,289,696.25/38,387,263.05 - Step 6: Final answer
x = 19,242,408.83
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.