Finding the Fourth Proportional to 14,199,261.77, 21,277,219.55 and 8,430,635.81
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Solution
The fourth proportional to 14,199,261.77, 21,277,219.55 and 8,430,635.81 is: 12,633,085.57
Step by Step Solution
- Step 1: Write the proportion equation
14,199,261.77 : 21,277,219.55 = 8,430,635.81 : x - Step 2: Convert to fraction form
14,199,261.77/21,277,219.55 = 8,430,635.81/x - Step 3: Cross multiply
14,199,261.77x = 21,277,219.55 × 8,430,635.81 - Step 4: Simplify right side
14,199,261.77x = 179,380,488,926,922.81 - Step 5: Solve for x
x = 179,380,488,926,922.81/14,199,261.77 - Step 6: Final answer
x = 12,633,085.57
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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.