Finding the Fourth Proportional to 10,842,154.32, 14,959,663.02 and 6,489,586.92
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Solution
The fourth proportional to 10,842,154.32, 14,959,663.02 and 6,489,586.92 is: 8,954,127.62
Step by Step Solution
- Step 1: Write the proportion equation
10,842,154.32 : 14,959,663.02 = 6,489,586.92 : x - Step 2: Convert to fraction form
10,842,154.32/14,959,663.02 = 6,489,586.92/x - Step 3: Cross multiply
10,842,154.32x = 14,959,663.02 × 6,489,586.92 - Step 4: Simplify right side
10,842,154.32x = 97,082,033,462,199.69 - Step 5: Solve for x
x = 97,082,033,462,199.69/10,842,154.32 - Step 6: Final answer
x = 8,954,127.62
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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.