Finding the Fourth Proportional to 28,597,747.47, 39,464,917.84 and 15,545,006.00
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Solution
The fourth proportional to 28,597,747.47, 39,464,917.84 and 15,545,006.00 is: 21,452,122.60
Step by Step Solution
- Step 1: Write the proportion equation
28,597,747.47 : 39,464,917.84 = 15,545,006.00 : x - Step 2: Convert to fraction form
28,597,747.47/39,464,917.84 = 15,545,006.00/x - Step 3: Cross multiply
28,597,747.47x = 39,464,917.84 × 15,545,006.00 - Step 4: Simplify right side
28,597,747.47x = 613,482,384,771,597.25 - Step 5: Solve for x
x = 613,482,384,771,597.25/28,597,747.47 - Step 6: Final answer
x = 21,452,122.60
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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.