Finding the Fourth Proportional to 27,764,292.47, 38,314,252.91 and 15,374,120.99
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Solution
The fourth proportional to 27,764,292.47, 38,314,252.91 and 15,374,120.99 is: 21,216,026.32
Step by Step Solution
- Step 1: Write the proportion equation
27,764,292.47 : 38,314,252.91 = 15,374,120.99 : x - Step 2: Convert to fraction form
27,764,292.47/38,314,252.91 = 15,374,120.99/x - Step 3: Cross multiply
27,764,292.47x = 38,314,252.91 × 15,374,120.99 - Step 4: Simplify right side
27,764,292.47x = 589,047,959,611,357.75 - Step 5: Solve for x
x = 589,047,959,611,357.75/27,764,292.47 - Step 6: Final answer
x = 21,216,026.32
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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.