Finding the Fourth Proportional to 14,462,823.21, 19,953,752.54 and 8,263,421.79
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Solution
The fourth proportional to 14,462,823.21, 19,953,752.54 and 8,263,421.79 is: 11,400,697.57
Step by Step Solution
- Step 1: Write the proportion equation
14,462,823.21 : 19,953,752.54 = 8,263,421.79 : x - Step 2: Convert to fraction form
14,462,823.21/19,953,752.54 = 8,263,421.79/x - Step 3: Cross multiply
14,462,823.21x = 19,953,752.54 × 8,263,421.79 - Step 4: Simplify right side
14,462,823.21x = 164,886,273,489,986.75 - Step 5: Solve for x
x = 164,886,273,489,986.75/14,462,823.21 - Step 6: Final answer
x = 11,400,697.57
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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.