Finding the Fourth Proportional to 16,068,415.47, 22,177,631.84 and 9,545,668.53
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Solution
The fourth proportional to 16,068,415.47, 22,177,631.84 and 9,545,668.53 is: 13,174,934.56
Step by Step Solution
- Step 1: Write the proportion equation
16,068,415.47 : 22,177,631.84 = 9,545,668.53 : x - Step 2: Convert to fraction form
16,068,415.47/22,177,631.84 = 9,545,668.53/x - Step 3: Cross multiply
16,068,415.47x = 22,177,631.84 × 9,545,668.53 - Step 4: Simplify right side
16,068,415.47x = 211,700,322,277,285.66 - Step 5: Solve for x
x = 211,700,322,277,285.66/16,068,415.47 - Step 6: Final answer
x = 13,174,934.56
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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.