Finding the Fourth Proportional to 14,280,115.28, 19,706,582.42 and 7,753,757.36
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Solution
The fourth proportional to 14,280,115.28, 19,706,582.42 and 7,753,757.36 is: 10,700,197.82
Step by Step Solution
- Step 1: Write the proportion equation
14,280,115.28 : 19,706,582.42 = 7,753,757.36 : x - Step 2: Convert to fraction form
14,280,115.28/19,706,582.42 = 7,753,757.36/x - Step 3: Cross multiply
14,280,115.28x = 19,706,582.42 × 7,753,757.36 - Step 4: Simplify right side
14,280,115.28x = 152,800,058,342,219.91 - Step 5: Solve for x
x = 152,800,058,342,219.91/14,280,115.28 - Step 6: Final answer
x = 10,700,197.82
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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.