Finding the Fourth Proportional to 26,953,836.40, 40,403,198.40 and 13,285,961.20
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Solution
The fourth proportional to 26,953,836.40, 40,403,198.40 and 13,285,961.20 is: 19,915,358.92
Step by Step Solution
- Step 1: Write the proportion equation
26,953,836.40 : 40,403,198.40 = 13,285,961.20 : x - Step 2: Convert to fraction form
26,953,836.40/40,403,198.40 = 13,285,961.20/x - Step 3: Cross multiply
26,953,836.40x = 40,403,198.40 × 13,285,961.20 - Step 4: Simplify right side
26,953,836.40x = 536,795,326,298,302 - Step 5: Solve for x
x = 536,795,326,298,302/26,953,836.40 - Step 6: Final answer
x = 19,915,358.92
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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.