Finding the Fourth Proportional to 14,235,811.06, 19,645,321.43 and 7,709,291.17
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Solution
The fourth proportional to 14,235,811.06, 19,645,321.43 and 7,709,291.17 is: 10,638,768.83
Step by Step Solution
- Step 1: Write the proportion equation
14,235,811.06 : 19,645,321.43 = 7,709,291.17 : x - Step 2: Convert to fraction form
14,235,811.06/19,645,321.43 = 7,709,291.17/x - Step 3: Cross multiply
14,235,811.06x = 19,645,321.43 × 7,709,291.17 - Step 4: Simplify right side
14,235,811.06x = 151,451,502,912,040.56 - Step 5: Solve for x
x = 151,451,502,912,040.56/14,235,811.06 - Step 6: Final answer
x = 10,638,768.83
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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.