Finding the Fourth Proportional to 17,670,830.70, 26,506,246.05 and 14,479,560.30
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Solution
The fourth proportional to 17,670,830.70, 26,506,246.05 and 14,479,560.30 is: 21,719,340.45
Step by Step Solution
- Step 1: Write the proportion equation
17,670,830.70 : 26,506,246.05 = 14,479,560.30 : x - Step 2: Convert to fraction form
17,670,830.70/26,506,246.05 = 14,479,560.30/x - Step 3: Cross multiply
17,670,830.70x = 26,506,246.05 × 14,479,560.30 - Step 4: Simplify right side
17,670,830.70x = 383,798,788,007,611.88 - Step 5: Solve for x
x = 383,798,788,007,611.88/17,670,830.70 - Step 6: Final answer
x = 21,719,340.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.