Finding the Fourth Proportional to 19,750,321.47, 27,254,347.26 and 11,046,812.55
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Solution
The fourth proportional to 19,750,321.47, 27,254,347.26 and 11,046,812.55 is: 15,243,988.09
Step by Step Solution
- Step 1: Write the proportion equation
19,750,321.47 : 27,254,347.26 = 11,046,812.55 : x - Step 2: Convert to fraction form
19,750,321.47/27,254,347.26 = 11,046,812.55/x - Step 3: Cross multiply
19,750,321.47x = 27,254,347.26 × 11,046,812.55 - Step 4: Simplify right side
19,750,321.47x = 301,073,665,353,826.12 - Step 5: Solve for x
x = 301,073,665,353,826.12/19,750,321.47 - Step 6: Final answer
x = 15,243,988.09
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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.