Finding the Fourth Proportional to 10,166,358.60, 15,249,440.70 and 2,490,037.20
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Solution
The fourth proportional to 10,166,358.60, 15,249,440.70 and 2,490,037.20 is: 3,735,031.99
Step by Step Solution
- Step 1: Write the proportion equation
10,166,358.60 : 15,249,440.70 = 2,490,037.20 : x - Step 2: Convert to fraction form
10,166,358.60/15,249,440.70 = 2,490,037.20/x - Step 3: Cross multiply
10,166,358.60x = 15,249,440.70 × 2,490,037.20 - Step 4: Simplify right side
10,166,358.60x = 37,971,674,622,194.04 - Step 5: Solve for x
x = 37,971,674,622,194.04/10,166,358.60 - Step 6: Final answer
x = 3,735,031.99
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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.