Finding the Fourth Proportional to 16,391,475.28, 22,623,197.61 and 9,776,488.24
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Solution
The fourth proportional to 16,391,475.28, 22,623,197.61 and 9,776,488.24 is: 13,493,320.25
Step by Step Solution
- Step 1: Write the proportion equation
16,391,475.28 : 22,623,197.61 = 9,776,488.24 : x - Step 2: Convert to fraction form
16,391,475.28/22,623,197.61 = 9,776,488.24/x - Step 3: Cross multiply
16,391,475.28x = 22,623,197.61 × 9,776,488.24 - Step 4: Simplify right side
16,391,475.28x = 221,175,425,405,257.25 - Step 5: Solve for x
x = 221,175,425,405,257.25/16,391,475.28 - Step 6: Final answer
x = 13,493,320.25
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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.