Finding the Fourth Proportional to 28,658,399.00, 39,548,593.24 and 15,605,654.00
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Solution
The fourth proportional to 28,658,399.00, 39,548,593.24 and 15,605,654.00 is: 21,535,803.94
Step by Step Solution
- Step 1: Write the proportion equation
28,658,399.00 : 39,548,593.24 = 15,605,654.00 : x - Step 2: Convert to fraction form
28,658,399.00/39,548,593.24 = 15,605,654.00/x - Step 3: Cross multiply
28,658,399.00x = 39,548,593.24 × 15,605,654.00 - Step 4: Simplify right side
28,658,399.00x = 617,181,662,053,421.75 - Step 5: Solve for x
x = 617,181,662,053,421.75/28,658,399.00 - Step 6: Final answer
x = 21,535,803.94
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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.