Finding the Fourth Proportional to 13,974,875.08, 20,966,590.70 and 7,156,276.09
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Solution
The fourth proportional to 13,974,875.08, 20,966,590.70 and 7,156,276.09 is: 10,736,604.85
Step by Step Solution
- Step 1: Write the proportion equation
13,974,875.08 : 20,966,590.70 = 7,156,276.09 : x - Step 2: Convert to fraction form
13,974,875.08/20,966,590.70 = 7,156,276.09/x - Step 3: Cross multiply
13,974,875.08x = 20,966,590.70 × 7,156,276.09 - Step 4: Simplify right side
13,974,875.08x = 150,042,711,574,612.03 - Step 5: Solve for x
x = 150,042,711,574,612.03/13,974,875.08 - Step 6: Final answer
x = 10,736,604.85
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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.