Finding the Fourth Proportional to 13,300,267.19, 19,957,874.84 and 7,235,423.38
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Solution
The fourth proportional to 13,300,267.19, 19,957,874.84 and 7,235,423.38 is: 10,857,200.99
Step by Step Solution
- Step 1: Write the proportion equation
13,300,267.19 : 19,957,874.84 = 7,235,423.38 : x - Step 2: Convert to fraction form
13,300,267.19/19,957,874.84 = 7,235,423.38/x - Step 3: Cross multiply
13,300,267.19x = 19,957,874.84 × 7,235,423.38 - Step 4: Simplify right side
13,300,267.19x = 144,403,674,096,483.28 - Step 5: Solve for x
x = 144,403,674,096,483.28/13,300,267.19 - Step 6: Final answer
x = 10,857,200.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.