Finding the Fourth Proportional to 26,986,658.13, 40,479,955.74 and 8,790,823.92
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Solution
The fourth proportional to 26,986,658.13, 40,479,955.74 and 8,790,823.92 is: 13,186,225.63
Step by Step Solution
- Step 1: Write the proportion equation
26,986,658.13 : 40,479,955.74 = 8,790,823.92 : x - Step 2: Convert to fraction form
26,986,658.13/40,479,955.74 = 8,790,823.92/x - Step 3: Cross multiply
26,986,658.13x = 40,479,955.74 × 8,790,823.92 - Step 4: Simplify right side
26,986,658.13x = 355,852,163,199,733.31 - Step 5: Solve for x
x = 355,852,163,199,733.31/26,986,658.13 - Step 6: Final answer
x = 13,186,225.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.