Finding the Fourth Proportional to 12,781,202.60, 19,183,613.70 and 6,396,037.40
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Solution
The fourth proportional to 12,781,202.60, 19,183,613.70 and 6,396,037.40 is: 9,599,966.02
Step by Step Solution
- Step 1: Write the proportion equation
12,781,202.60 : 19,183,613.70 = 6,396,037.40 : x - Step 2: Convert to fraction form
12,781,202.60/19,183,613.70 = 6,396,037.40/x - Step 3: Cross multiply
12,781,202.60x = 19,183,613.70 × 6,396,037.40 - Step 4: Simplify right side
12,781,202.60x = 122,699,110,692,352.38 - Step 5: Solve for x
x = 122,699,110,692,352.38/12,781,202.60 - Step 6: Final answer
x = 9,599,966.02
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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.