Finding the Fourth Proportional to 10,956,787.58, 15,125,209.67 and 6,548,068.55
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Solution
The fourth proportional to 10,956,787.58, 15,125,209.67 and 6,548,068.55 is: 9,039,228.79
Step by Step Solution
- Step 1: Write the proportion equation
10,956,787.58 : 15,125,209.67 = 6,548,068.55 : x - Step 2: Convert to fraction form
10,956,787.58/15,125,209.67 = 6,548,068.55/x - Step 3: Cross multiply
10,956,787.58x = 15,125,209.67 × 6,548,068.55 - Step 4: Simplify right side
10,956,787.58x = 99,040,909,752,282.88 - Step 5: Solve for x
x = 99,040,909,752,282.88/10,956,787.58 - Step 6: Final answer
x = 9,039,228.79
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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.