Finding the Fourth Proportional to 6,422,395.57, 8,854,331.88 and 5,102,199.65
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Solution
The fourth proportional to 6,422,395.57, 8,854,331.88 and 5,102,199.65 is: 7,034,224.00
Step by Step Solution
- Step 1: Write the proportion equation
6,422,395.57 : 8,854,331.88 = 5,102,199.65 : x - Step 2: Convert to fraction form
6,422,395.57/8,854,331.88 = 5,102,199.65/x - Step 3: Cross multiply
6,422,395.57x = 8,854,331.88 × 5,102,199.65 - Step 4: Simplify right side
6,422,395.57x = 45,176,569,060,388.91 - Step 5: Solve for x
x = 45,176,569,060,388.91/6,422,395.57 - Step 6: Final answer
x = 7,034,224.00
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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.