Finding the Fourth Proportional to 12,686,068.80, 17,506,787.04 and 6,884,851.68
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Solution
The fourth proportional to 12,686,068.80, 17,506,787.04 and 6,884,851.68 is: 9,501,101.88
Step by Step Solution
- Step 1: Write the proportion equation
12,686,068.80 : 17,506,787.04 = 6,884,851.68 : x - Step 2: Convert to fraction form
12,686,068.80/17,506,787.04 = 6,884,851.68/x - Step 3: Cross multiply
12,686,068.80x = 17,506,787.04 × 6,884,851.68 - Step 4: Simplify right side
12,686,068.80x = 120,531,632,163,746.22 - Step 5: Solve for x
x = 120,531,632,163,746.22/12,686,068.80 - Step 6: Final answer
x = 9,501,101.88
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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.