Finding the Fourth Proportional to 10,787,986.08, 14,873,528.76 and 7,694,037.18
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Solution
The fourth proportional to 10,787,986.08, 14,873,528.76 and 7,694,037.18 is: 10,607,863.45
Step by Step Solution
- Step 1: Write the proportion equation
10,787,986.08 : 14,873,528.76 = 7,694,037.18 : x - Step 2: Convert to fraction form
10,787,986.08/14,873,528.76 = 7,694,037.18/x - Step 3: Cross multiply
10,787,986.08x = 14,873,528.76 × 7,694,037.18 - Step 4: Simplify right side
10,787,986.08x = 114,437,483,277,239.30 - Step 5: Solve for x
x = 114,437,483,277,239.30/10,787,986.08 - Step 6: Final answer
x = 10,607,863.45
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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.