Finding the Fourth Proportional to 17,969,461.55, 26,943,403.57 and 8,241,889.21
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Solution
The fourth proportional to 17,969,461.55, 26,943,403.57 and 8,241,889.21 is: 12,357,885.44
Step by Step Solution
- Step 1: Write the proportion equation
17,969,461.55 : 26,943,403.57 = 8,241,889.21 : x - Step 2: Convert to fraction form
17,969,461.55/26,943,403.57 = 8,241,889.21/x - Step 3: Cross multiply
17,969,461.55x = 26,943,403.57 × 8,241,889.21 - Step 4: Simplify right side
17,969,461.55x = 222,064,547,208,240.09 - Step 5: Solve for x
x = 222,064,547,208,240.09/17,969,461.55 - Step 6: Final answer
x = 12,357,885.44
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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.