Finding the Fourth Proportional to 10,166,110.60, 15,249,068.70 and 2,489,789.20
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Solution
The fourth proportional to 10,166,110.60, 15,249,068.70 and 2,489,789.20 is: 3,734,659.99
Step by Step Solution
- Step 1: Write the proportion equation
10,166,110.60 : 15,249,068.70 = 2,489,789.20 : x - Step 2: Convert to fraction form
10,166,110.60/15,249,068.70 = 2,489,789.20/x - Step 3: Cross multiply
10,166,110.60x = 15,249,068.70 × 2,489,789.20 - Step 4: Simplify right side
10,166,110.60x = 37,966,966,559,318.04 - Step 5: Solve for x
x = 37,966,966,559,318.04/10,166,110.60 - Step 6: Final answer
x = 3,734,659.99
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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.