Finding the Fourth Proportional to 52,411,481.02, 72,331,079.75 and 28,889,964.70
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Solution
The fourth proportional to 52,411,481.02, 72,331,079.75 and 28,889,964.70 is: 39,869,934.99
Step by Step Solution
- Step 1: Write the proportion equation
52,411,481.02 : 72,331,079.75 = 28,889,964.70 : x - Step 2: Convert to fraction form
52,411,481.02/72,331,079.75 = 28,889,964.70/x - Step 3: Cross multiply
52,411,481.02x = 72,331,079.75 × 28,889,964.70 - Step 4: Simplify right side
52,411,481.02x = 2,089,642,340,690,384.75 - Step 5: Solve for x
x = 2,089,642,340,690,384.75/52,411,481.02 - Step 6: Final answer
x = 39,869,934.99
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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.