Finding the Fourth Proportional to 14,429,276.93, 19,912,421.36 and 7,813,876.79
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Solution
The fourth proportional to 14,429,276.93, 19,912,421.36 and 7,813,876.79 is: 10,783,160.37
Step by Step Solution
- Step 1: Write the proportion equation
14,429,276.93 : 19,912,421.36 = 7,813,876.79 : x - Step 2: Convert to fraction form
14,429,276.93/19,912,421.36 = 7,813,876.79/x - Step 3: Cross multiply
14,429,276.93x = 19,912,421.36 × 7,813,876.79 - Step 4: Simplify right side
14,429,276.93x = 155,593,207,097,604.22 - Step 5: Solve for x
x = 155,593,207,097,604.22/14,429,276.93 - Step 6: Final answer
x = 10,783,160.37
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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.