Finding the Fourth Proportional to 9,626,145.80, 13,290,121.14 and 6,194,350.76
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Solution
The fourth proportional to 9,626,145.80, 13,290,121.14 and 6,194,350.76 is: 8,552,090.70
Step by Step Solution
- Step 1: Write the proportion equation
9,626,145.80 : 13,290,121.14 = 6,194,350.76 : x - Step 2: Convert to fraction form
9,626,145.80/13,290,121.14 = 6,194,350.76/x - Step 3: Cross multiply
9,626,145.80x = 13,290,121.14 × 6,194,350.76 - Step 4: Simplify right side
9,626,145.80x = 82,323,671,984,051.06 - Step 5: Solve for x
x = 82,323,671,984,051.06/9,626,145.80 - Step 6: Final answer
x = 8,552,090.70
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Double scale
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1.5x scale
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.