Finding the Fourth Proportional to 26,987,509.74, 37,239,562.88 and 15,226,092.44
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Solution
The fourth proportional to 26,987,509.74, 37,239,562.88 and 15,226,092.44 is: 21,010,201.84
Step by Step Solution
- Step 1: Write the proportion equation
26,987,509.74 : 37,239,562.88 = 15,226,092.44 : x - Step 2: Convert to fraction form
26,987,509.74/37,239,562.88 = 15,226,092.44/x - Step 3: Cross multiply
26,987,509.74x = 37,239,562.88 × 15,226,092.44 - Step 4: Simplify right side
26,987,509.74x = 567,013,026,836,072.62 - Step 5: Solve for x
x = 567,013,026,836,072.62/26,987,509.74 - Step 6: Final answer
x = 21,010,201.84
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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.