Finding the Fourth Proportional to 20,900,248.14, 28,842,409.26 and 11,607,816.54
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Solution
The fourth proportional to 20,900,248.14, 28,842,409.26 and 11,607,816.54 is: 16,018,823.94
Step by Step Solution
- Step 1: Write the proportion equation
20,900,248.14 : 28,842,409.26 = 11,607,816.54 : x - Step 2: Convert to fraction form
20,900,248.14/28,842,409.26 = 11,607,816.54/x - Step 3: Cross multiply
20,900,248.14x = 28,842,409.26 × 11,607,816.54 - Step 4: Simplify right side
20,900,248.14x = 334,797,395,261,677.12 - Step 5: Solve for x
x = 334,797,395,261,677.12/20,900,248.14 - Step 6: Final answer
x = 16,018,823.94
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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.