Finding the Fourth Proportional to 28,474,777.99, 42,703,351.63 and 10,276,669.66
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Solution
The fourth proportional to 28,474,777.99, 42,703,351.63 and 10,276,669.66 is: 15,411,822.99
Step by Step Solution
- Step 1: Write the proportion equation
28,474,777.99 : 42,703,351.63 = 10,276,669.66 : x - Step 2: Convert to fraction form
28,474,777.99/42,703,351.63 = 10,276,669.66/x - Step 3: Cross multiply
28,474,777.99x = 42,703,351.63 × 10,276,669.66 - Step 4: Simplify right side
28,474,777.99x = 438,848,238,066,196.31 - Step 5: Solve for x
x = 438,848,238,066,196.31/28,474,777.99 - Step 6: Final answer
x = 15,411,822.99
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1.5x scale
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.