Finding the Fourth Proportional to 31,796,723.80, 47,695,085.70 and 29,670,959.80
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Solution
The fourth proportional to 31,796,723.80, 47,695,085.70 and 29,670,959.80 is: 44,506,439.70
Step by Step Solution
- Step 1: Write the proportion equation
31,796,723.80 : 47,695,085.70 = 29,670,959.80 : x - Step 2: Convert to fraction form
31,796,723.80/47,695,085.70 = 29,670,959.80/x - Step 3: Cross multiply
31,796,723.80x = 47,695,085.70 × 29,670,959.80 - Step 4: Simplify right side
31,796,723.80x = 1,415,158,970,462,255 - Step 5: Solve for x
x = 1,415,158,970,462,255/31,796,723.80 - Step 6: Final answer
x = 44,506,439.70
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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.