Finding the Fourth Proportional to 9,775,638.09, 14,664,176.79 and 2,587,123.55
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Solution
The fourth proportional to 9,775,638.09, 14,664,176.79 and 2,587,123.55 is: 3,880,875.78
Step by Step Solution
- Step 1: Write the proportion equation
9,775,638.09 : 14,664,176.79 = 2,587,123.55 : x - Step 2: Convert to fraction form
9,775,638.09/14,664,176.79 = 2,587,123.55/x - Step 3: Cross multiply
9,775,638.09x = 14,664,176.79 × 2,587,123.55 - Step 4: Simplify right side
9,775,638.09x = 37,938,037,081,075.29 - Step 5: Solve for x
x = 37,938,037,081,075.29/9,775,638.09 - Step 6: Final answer
x = 3,880,875.78
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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.