Finding the Fourth Proportional to 12,708,434.08, 17,537,816.64 and 6,907,214.08
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Solution
The fourth proportional to 12,708,434.08, 17,537,816.64 and 6,907,214.08 is: 9,532,051.96
Step by Step Solution
- Step 1: Write the proportion equation
12,708,434.08 : 17,537,816.64 = 6,907,214.08 : x - Step 2: Convert to fraction form
12,708,434.08/17,537,816.64 = 6,907,214.08/x - Step 3: Cross multiply
12,708,434.08x = 17,537,816.64 × 6,907,214.08 - Step 4: Simplify right side
12,708,434.08x = 121,137,454,028,266.30 - Step 5: Solve for x
x = 121,137,454,028,266.30/12,708,434.08 - Step 6: Final answer
x = 9,532,051.96
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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.