Finding the Fourth Proportional to 11,487,774.93, 15,855,481.86 and 6,844,280.17
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Solution
The fourth proportional to 11,487,774.93, 15,855,481.86 and 6,844,280.17 is: 9,446,508.19
Step by Step Solution
- Step 1: Write the proportion equation
11,487,774.93 : 15,855,481.86 = 6,844,280.17 : x - Step 2: Convert to fraction form
11,487,774.93/15,855,481.86 = 6,844,280.17/x - Step 3: Cross multiply
11,487,774.93x = 15,855,481.86 × 6,844,280.17 - Step 4: Simplify right side
11,487,774.93x = 108,519,359,966,693.91 - Step 5: Solve for x
x = 108,519,359,966,693.91/11,487,774.93 - Step 6: Final answer
x = 9,446,508.19
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.