Finding the Fourth Proportional to 13,302,070.70, 19,953,106.05 and 9,688,271.90
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Solution
The fourth proportional to 13,302,070.70, 19,953,106.05 and 9,688,271.90 is: 14,532,407.85
Step by Step Solution
- Step 1: Write the proportion equation
13,302,070.70 : 19,953,106.05 = 9,688,271.90 : x - Step 2: Convert to fraction form
13,302,070.70/19,953,106.05 = 9,688,271.90/x - Step 3: Cross multiply
13,302,070.70x = 19,953,106.05 × 9,688,271.90 - Step 4: Simplify right side
13,302,070.70x = 193,311,116,661,935 - Step 5: Solve for x
x = 193,311,116,661,935/13,302,070.70 - Step 6: Final answer
x = 14,532,407.85
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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.