Finding the Fourth Proportional to 17,670,886.20, 26,506,329.30 and 14,479,615.80
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Solution
The fourth proportional to 17,670,886.20, 26,506,329.30 and 14,479,615.80 is: 21,719,423.70
Step by Step Solution
- Step 1: Write the proportion equation
17,670,886.20 : 26,506,329.30 = 14,479,615.80 : x - Step 2: Convert to fraction form
17,670,886.20/26,506,329.30 = 14,479,615.80/x - Step 3: Cross multiply
17,670,886.20x = 26,506,329.30 × 14,479,615.80 - Step 4: Simplify right side
17,670,886.20x = 383,801,464,532,283 - Step 5: Solve for x
x = 383,801,464,532,283/17,670,886.20 - Step 6: Final answer
x = 21,719,423.70
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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.