Finding the Fourth Proportional to 7,171,263.94, 9,896,092.87 and 3,908,012.08
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Solution
The fourth proportional to 7,171,263.94, 9,896,092.87 and 3,908,012.08 is: 5,392,919.68
Step by Step Solution
- Step 1: Write the proportion equation
7,171,263.94 : 9,896,092.87 = 3,908,012.08 : x - Step 2: Convert to fraction form
7,171,263.94/9,896,092.87 = 3,908,012.08/x - Step 3: Cross multiply
7,171,263.94x = 9,896,092.87 × 3,908,012.08 - Step 4: Simplify right side
7,171,263.94x = 38,674,050,446,251.61 - Step 5: Solve for x
x = 38,674,050,446,251.61/7,171,263.94 - Step 6: Final answer
x = 5,392,919.68
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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.