Finding the Fourth Proportional to 51,472,238.24, 71,031,502.32 and 28,268,867.36
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Solution
The fourth proportional to 51,472,238.24, 71,031,502.32 and 28,268,867.36 is: 39,010,934.56
Step by Step Solution
- Step 1: Write the proportion equation
51,472,238.24 : 71,031,502.32 = 28,268,867.36 : x - Step 2: Convert to fraction form
51,472,238.24/71,031,502.32 = 28,268,867.36/x - Step 3: Cross multiply
51,472,238.24x = 71,031,502.32 × 28,268,867.36 - Step 4: Simplify right side
51,472,238.24x = 2,007,980,117,465,612 - Step 5: Solve for x
x = 2,007,980,117,465,612/51,472,238.24 - Step 6: Final answer
x = 39,010,934.56
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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.