Finding the Fourth Proportional to 15,549,697.02, 21,459,037.20 and 8,485,745.43
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Solution
The fourth proportional to 15,549,697.02, 21,459,037.20 and 8,485,745.43 is: 11,710,577.17
Step by Step Solution
- Step 1: Write the proportion equation
15,549,697.02 : 21,459,037.20 = 8,485,745.43 : x - Step 2: Convert to fraction form
15,549,697.02/21,459,037.20 = 8,485,745.43/x - Step 3: Cross multiply
15,549,697.02x = 21,459,037.20 × 8,485,745.43 - Step 4: Simplify right side
15,549,697.02x = 182,095,926,852,099.97 - Step 5: Solve for x
x = 182,095,926,852,099.97/15,549,697.02 - Step 6: Final answer
x = 11,710,577.17
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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.