Finding the Fourth Proportional to 11,657,951.80, 17,486,927.70 and 7,406,423.80
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Solution
The fourth proportional to 11,657,951.80, 17,486,927.70 and 7,406,423.80 is: 11,109,635.70
Step by Step Solution
- Step 1: Write the proportion equation
11,657,951.80 : 17,486,927.70 = 7,406,423.80 : x - Step 2: Convert to fraction form
11,657,951.80/17,486,927.70 = 7,406,423.80/x - Step 3: Cross multiply
11,657,951.80x = 17,486,927.70 × 7,406,423.80 - Step 4: Simplify right side
11,657,951.80x = 129,515,597,506,159.25 - Step 5: Solve for x
x = 129,515,597,506,159.25/11,657,951.80 - Step 6: Final answer
x = 11,109,635.70
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1.5x scale
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.