Finding the Fourth Proportional to 11,106,643.64, 15,327,080.33 and 6,211,862.10
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Solution
The fourth proportional to 11,106,643.64, 15,327,080.33 and 6,211,862.10 is: 8,572,320.54
Step by Step Solution
- Step 1: Write the proportion equation
11,106,643.64 : 15,327,080.33 = 6,211,862.10 : x - Step 2: Convert to fraction form
11,106,643.64/15,327,080.33 = 6,211,862.10/x - Step 3: Cross multiply
11,106,643.64x = 15,327,080.33 × 6,211,862.10 - Step 4: Simplify right side
11,106,643.64x = 95,209,709,374,523.17 - Step 5: Solve for x
x = 95,209,709,374,523.17/11,106,643.64 - Step 6: Final answer
x = 8,572,320.54
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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.