Finding the Fourth Proportional to 9,672,860.48, 13,348,754.19 and 5,321,959.28
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Solution
The fourth proportional to 9,672,860.48, 13,348,754.19 and 5,321,959.28 is: 7,344,417.55
Step by Step Solution
- Step 1: Write the proportion equation
9,672,860.48 : 13,348,754.19 = 5,321,959.28 : x - Step 2: Convert to fraction form
9,672,860.48/13,348,754.19 = 5,321,959.28/x - Step 3: Cross multiply
9,672,860.48x = 13,348,754.19 × 5,321,959.28 - Step 4: Simplify right side
9,672,860.48x = 71,041,526,237,909.39 - Step 5: Solve for x
x = 71,041,526,237,909.39/9,672,860.48 - Step 6: Final answer
x = 7,344,417.55
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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.