Finding the Fourth Proportional to 7,565,700.88, 10,428,470.64 and 5,117,419.08
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Solution
The fourth proportional to 7,565,700.88, 10,428,470.64 and 5,117,419.08 is: 7,053,788.60
Step by Step Solution
- Step 1: Write the proportion equation
7,565,700.88 : 10,428,470.64 = 5,117,419.08 : x - Step 2: Convert to fraction form
7,565,700.88/10,428,470.64 = 5,117,419.08/x - Step 3: Cross multiply
7,565,700.88x = 10,428,470.64 × 5,117,419.08 - Step 4: Simplify right side
7,565,700.88x = 53,366,854,628,355.81 - Step 5: Solve for x
x = 53,366,854,628,355.81/7,565,700.88 - Step 6: Final answer
x = 7,053,788.60
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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.