Finding the Fourth Proportional to 14,368,564.20, 19,828,337.46 and 7,842,240.42
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Solution
The fourth proportional to 14,368,564.20, 19,828,337.46 and 7,842,240.42 is: 10,822,138.34
Step by Step Solution
- Step 1: Write the proportion equation
14,368,564.20 : 19,828,337.46 = 7,842,240.42 : x - Step 2: Convert to fraction form
14,368,564.20/19,828,337.46 = 7,842,240.42/x - Step 3: Cross multiply
14,368,564.20x = 19,828,337.46 × 7,842,240.42 - Step 4: Simplify right side
14,368,564.20x = 155,498,589,490,212.12 - Step 5: Solve for x
x = 155,498,589,490,212.12/14,368,564.20 - Step 6: Final answer
x = 10,822,138.34
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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.