Finding the Fourth Proportional to 55,586,686.94, 76,709,635.24 and 30,808,473.48
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Solution
The fourth proportional to 55,586,686.94, 76,709,635.24 and 30,808,473.48 is: 42,515,697.43
Step by Step Solution
- Step 1: Write the proportion equation
55,586,686.94 : 76,709,635.24 = 30,808,473.48 : x - Step 2: Convert to fraction form
55,586,686.94/76,709,635.24 = 30,808,473.48/x - Step 3: Cross multiply
55,586,686.94x = 76,709,635.24 × 30,808,473.48 - Step 4: Simplify right side
55,586,686.94x = 2,363,306,762,717,752.50 - Step 5: Solve for x
x = 2,363,306,762,717,752.50/55,586,686.94 - Step 6: Final answer
x = 42,515,697.43
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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.