Finding the Fourth Proportional to 26,526,989.67, 39,790,481.13 and 7,357,746.62
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Solution
The fourth proportional to 26,526,989.67, 39,790,481.13 and 7,357,746.62 is: 11,036,618.99
Step by Step Solution
- Step 1: Write the proportion equation
26,526,989.67 : 39,790,481.13 = 7,357,746.62 : x - Step 2: Convert to fraction form
26,526,989.67/39,790,481.13 = 7,357,746.62/x - Step 3: Cross multiply
26,526,989.67x = 39,790,481.13 × 7,357,746.62 - Step 4: Simplify right side
26,526,989.67x = 292,768,277,843,478.88 - Step 5: Solve for x
x = 292,768,277,843,478.88/26,526,989.67 - Step 6: Final answer
x = 11,036,618.99
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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.