Finding the Fourth Proportional to 7,407,659.66, 11,167,011.36 and 6,913,862.37
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Solution
The fourth proportional to 7,407,659.66, 11,167,011.36 and 6,913,862.37 is: 10,422,614.32
Step by Step Solution
- Step 1: Write the proportion equation
7,407,659.66 : 11,167,011.36 = 6,913,862.37 : x - Step 2: Convert to fraction form
7,407,659.66/11,167,011.36 = 6,913,862.37/x - Step 3: Cross multiply
7,407,659.66x = 11,167,011.36 × 6,913,862.37 - Step 4: Simplify right side
7,407,659.66x = 77,207,179,627,266.52 - Step 5: Solve for x
x = 77,207,179,627,266.52/7,407,659.66 - Step 6: Final answer
x = 10,422,614.32
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.