Finding the Fourth Proportional to 13,817,657.80, 20,720,265.90 and 6,240,723.40
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Solution
The fourth proportional to 13,817,657.80, 20,720,265.90 and 6,240,723.40 is: 9,358,275.49
Step by Step Solution
- Step 1: Write the proportion equation
13,817,657.80 : 20,720,265.90 = 6,240,723.40 : x - Step 2: Convert to fraction form
13,817,657.80/20,720,265.90 = 6,240,723.40/x - Step 3: Cross multiply
13,817,657.80x = 20,720,265.90 × 6,240,723.40 - Step 4: Simplify right side
13,817,657.80x = 129,309,448,256,352.06 - Step 5: Solve for x
x = 129,309,448,256,352.06/13,817,657.80 - Step 6: Final answer
x = 9,358,275.49
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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.