Finding the Fourth Proportional to 7,889,132.91, 10,887,173.37 and 4,356,918.54
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Solution
The fourth proportional to 7,889,132.91, 10,887,173.37 and 4,356,918.54 is: 6,012,641.45
Step by Step Solution
- Step 1: Write the proportion equation
7,889,132.91 : 10,887,173.37 = 4,356,918.54 : x - Step 2: Convert to fraction form
7,889,132.91/10,887,173.37 = 4,356,918.54/x - Step 3: Cross multiply
7,889,132.91x = 10,887,173.37 × 4,356,918.54 - Step 4: Simplify right side
7,889,132.91x = 47,434,527,503,947.27 - Step 5: Solve for x
x = 47,434,527,503,947.27/7,889,132.91 - Step 6: Final answer
x = 6,012,641.45
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1.5x scale
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.