Finding the Fourth Proportional to 10,119,750.49, 13,965,585.74 and 5,536,071.87
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Solution
The fourth proportional to 10,119,750.49, 13,965,585.74 and 5,536,071.87 is: 7,639,959.74
Step by Step Solution
- Step 1: Write the proportion equation
10,119,750.49 : 13,965,585.74 = 5,536,071.87 : x - Step 2: Convert to fraction form
10,119,750.49/13,965,585.74 = 5,536,071.87/x - Step 3: Cross multiply
10,119,750.49x = 13,965,585.74 × 5,536,071.87 - Step 4: Simplify right side
10,119,750.49x = 77,314,486,303,996.09 - Step 5: Solve for x
x = 77,314,486,303,996.09/10,119,750.49 - Step 6: Final answer
x = 7,639,959.74
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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.