Finding the Fourth Proportional to 13,227,509.74, 19,841,331.50 and 4,128,844.62
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Solution
The fourth proportional to 13,227,509.74, 19,841,331.50 and 4,128,844.62 is: 6,193,287.81
Step by Step Solution
- Step 1: Write the proportion equation
13,227,509.74 : 19,841,331.50 = 4,128,844.62 : x - Step 2: Convert to fraction form
13,227,509.74/19,841,331.50 = 4,128,844.62/x - Step 3: Cross multiply
13,227,509.74x = 19,841,331.50 × 4,128,844.62 - Step 4: Simplify right side
13,227,509.74x = 81,921,774,796,767.31 - Step 5: Solve for x
x = 81,921,774,796,767.31/13,227,509.74 - Step 6: Final answer
x = 6,193,287.81
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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.