Finding the Fourth Proportional to 10,386,586.36, 14,334,034.06 and 6,257,913.09
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Solution
The fourth proportional to 10,386,586.36, 14,334,034.06 and 6,257,913.09 is: 8,636,248.35
Step by Step Solution
- Step 1: Write the proportion equation
10,386,586.36 : 14,334,034.06 = 6,257,913.09 : x - Step 2: Convert to fraction form
10,386,586.36/14,334,034.06 = 6,257,913.09/x - Step 3: Cross multiply
10,386,586.36x = 14,334,034.06 × 6,257,913.09 - Step 4: Simplify right side
10,386,586.36x = 89,701,139,313,052.34 - Step 5: Solve for x
x = 89,701,139,313,052.34/10,386,586.36 - Step 6: Final answer
x = 8,636,248.35
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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.