Finding the Fourth Proportional to 14,368,558.92, 19,828,330.26 and 7,842,235.20
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Solution
The fourth proportional to 14,368,558.92, 19,828,330.26 and 7,842,235.20 is: 10,822,131.18
Step by Step Solution
- Step 1: Write the proportion equation
14,368,558.92 : 19,828,330.26 = 7,842,235.20 : x - Step 2: Convert to fraction form
14,368,558.92/19,828,330.26 = 7,842,235.20/x - Step 3: Cross multiply
14,368,558.92x = 19,828,330.26 × 7,842,235.20 - Step 4: Simplify right side
14,368,558.92x = 155,498,429,522,197.16 - Step 5: Solve for x
x = 155,498,429,522,197.16/14,368,558.92 - Step 6: Final answer
x = 10,822,131.18
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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.