Finding the Fourth Proportional to 9,708,889.08, 13,398,239.40 and 5,357,944.26
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Solution
The fourth proportional to 9,708,889.08, 13,398,239.40 and 5,357,944.26 is: 7,393,947.89
Step by Step Solution
- Step 1: Write the proportion equation
9,708,889.08 : 13,398,239.40 = 5,357,944.26 : x - Step 2: Convert to fraction form
9,708,889.08/13,398,239.40 = 5,357,944.26/x - Step 3: Cross multiply
9,708,889.08x = 13,398,239.40 × 5,357,944.26 - Step 4: Simplify right side
9,708,889.08x = 71,787,019,887,335.84 - Step 5: Solve for x
x = 71,787,019,887,335.84/9,708,889.08 - Step 6: Final answer
x = 7,393,947.89
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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.