Finding the Fourth Proportional to 13,149,372.99, 19,733,215.73 and 4,630,395.63
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Solution
The fourth proportional to 13,149,372.99, 19,733,215.73 and 4,630,395.63 is: 6,948,817.71
Step by Step Solution
- Step 1: Write the proportion equation
13,149,372.99 : 19,733,215.73 = 4,630,395.63 : x - Step 2: Convert to fraction form
13,149,372.99/19,733,215.73 = 4,630,395.63/x - Step 3: Cross multiply
13,149,372.99x = 19,733,215.73 × 4,630,395.63 - Step 4: Simplify right side
13,149,372.99x = 91,372,595,858,887.28 - Step 5: Solve for x
x = 91,372,595,858,887.28/13,149,372.99 - Step 6: Final answer
x = 6,948,817.71
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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.