Finding the Fourth Proportional to 28,319,946.66, 39,084,548.22 and 16,562,809.62
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Solution
The fourth proportional to 28,319,946.66, 39,084,548.22 and 16,562,809.62 is: 22,858,444.58
Step by Step Solution
- Step 1: Write the proportion equation
28,319,946.66 : 39,084,548.22 = 16,562,809.62 : x - Step 2: Convert to fraction form
28,319,946.66/39,084,548.22 = 16,562,809.62/x - Step 3: Cross multiply
28,319,946.66x = 39,084,548.22 × 16,562,809.62 - Step 4: Simplify right side
28,319,946.66x = 647,349,931,251,569.88 - Step 5: Solve for x
x = 647,349,931,251,569.88/28,319,946.66 - Step 6: Final answer
x = 22,858,444.58
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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.