Finding the Fourth Proportional to 13,395,952.62, 18,485,852.28 and 7,595,124.66
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Solution
The fourth proportional to 13,395,952.62, 18,485,852.28 and 7,595,124.66 is: 10,480,953.20
Step by Step Solution
- Step 1: Write the proportion equation
13,395,952.62 : 18,485,852.28 = 7,595,124.66 : x - Step 2: Convert to fraction form
13,395,952.62/18,485,852.28 = 7,595,124.66/x - Step 3: Cross multiply
13,395,952.62x = 18,485,852.28 × 7,595,124.66 - Step 4: Simplify right side
13,395,952.62x = 140,402,352,512,945.23 - Step 5: Solve for x
x = 140,402,352,512,945.23/13,395,952.62 - Step 6: Final answer
x = 10,480,953.20
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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.