Finding the Fourth Proportional to 13,119,364.49, 18,104,752.06 and 7,318,521.95
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Solution
The fourth proportional to 13,119,364.49, 18,104,752.06 and 7,318,521.95 is: 10,099,576.50
Step by Step Solution
- Step 1: Write the proportion equation
13,119,364.49 : 18,104,752.06 = 7,318,521.95 : x - Step 2: Convert to fraction form
13,119,364.49/18,104,752.06 = 7,318,521.95/x - Step 3: Cross multiply
13,119,364.49x = 18,104,752.06 × 7,318,521.95 - Step 4: Simplify right side
13,119,364.49x = 132,500,025,241,597.67 - Step 5: Solve for x
x = 132,500,025,241,597.67/13,119,364.49 - Step 6: Final answer
x = 10,099,576.50
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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.