Finding the Fourth Proportional to 26,929,933.61, 40,398,886.83 and 9,889,277.95
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Solution
The fourth proportional to 26,929,933.61, 40,398,886.83 and 9,889,277.95 is: 14,835,380.82
Step by Step Solution
- Step 1: Write the proportion equation
26,929,933.61 : 40,398,886.83 = 9,889,277.95 : x - Step 2: Convert to fraction form
26,929,933.61/40,398,886.83 = 9,889,277.95/x - Step 3: Cross multiply
26,929,933.61x = 40,398,886.83 × 9,889,277.95 - Step 4: Simplify right side
26,929,933.61x = 399,515,820,530,469.94 - Step 5: Solve for x
x = 399,515,820,530,469.94/26,929,933.61 - Step 6: Final answer
x = 14,835,380.82
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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.