Finding the Fourth Proportional to 16,386,177.28, 22,612,910.52 and 9,142,833.28
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Solution
The fourth proportional to 16,386,177.28, 22,612,910.52 and 9,142,833.28 is: 12,617,102.04
Step by Step Solution
- Step 1: Write the proportion equation
16,386,177.28 : 22,612,910.52 = 9,142,833.28 : x - Step 2: Convert to fraction form
16,386,177.28/22,612,910.52 = 9,142,833.28/x - Step 3: Cross multiply
16,386,177.28x = 22,612,910.52 × 9,142,833.28 - Step 4: Simplify right side
16,386,177.28x = 206,746,070,859,918.09 - Step 5: Solve for x
x = 206,746,070,859,918.09/16,386,177.28 - Step 6: Final answer
x = 12,617,102.04
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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.