Finding the Fourth Proportional to 7,155,199, 9,873,276.96 and 4,837,135.24
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Solution
The fourth proportional to 7,155,199, 9,873,276.96 and 4,837,135.24 is: 6,674,639.79
Step by Step Solution
- Step 1: Write the proportion equation
7,155,199 : 9,873,276.96 = 4,837,135.24 : x - Step 2: Convert to fraction form
7,155,199/9,873,276.96 = 4,837,135.24/x - Step 3: Cross multiply
7,155,199x = 9,873,276.96 × 4,837,135.24 - Step 4: Simplify right side
7,155,199x = 47,758,375,917,496.08 - Step 5: Solve for x
x = 47,758,375,917,496.08/7,155,199 - Step 6: Final answer
x = 6,674,639.79
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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.