Finding the Fourth Proportional to 35,381,281.95, 48,828,178.82 and 21,256,788.49
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Solution
The fourth proportional to 35,381,281.95, 48,828,178.82 and 21,256,788.49 is: 29,335,575.54
Step by Step Solution
- Step 1: Write the proportion equation
35,381,281.95 : 48,828,178.82 = 21,256,788.49 : x - Step 2: Convert to fraction form
35,381,281.95/48,828,178.82 = 21,256,788.49/x - Step 3: Cross multiply
35,381,281.95x = 48,828,178.82 × 21,256,788.49 - Step 4: Simplify right side
35,381,281.95x = 1,037,930,269,459,709.25 - Step 5: Solve for x
x = 1,037,930,269,459,709.25/35,381,281.95 - Step 6: Final answer
x = 29,335,575.54
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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.