Finding the Fourth Proportional to 27,216,943.20, 40,844,077.20 and 12,081,736.80
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Solution
The fourth proportional to 27,216,943.20, 40,844,077.20 and 12,081,736.80 is: 18,130,889.53
Step by Step Solution
- Step 1: Write the proportion equation
27,216,943.20 : 40,844,077.20 = 12,081,736.80 : x - Step 2: Convert to fraction form
27,216,943.20/40,844,077.20 = 12,081,736.80/x - Step 3: Cross multiply
27,216,943.20x = 40,844,077.20 × 12,081,736.80 - Step 4: Simplify right side
27,216,943.20x = 493,467,390,569,281 - Step 5: Solve for x
x = 493,467,390,569,281/27,216,943.20 - Step 6: Final answer
x = 18,130,889.53
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.