Finding the Fourth Proportional to 10,470,980.40, 14,452,518.84 and 6,400,012.08
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Solution
The fourth proportional to 10,470,980.40, 14,452,518.84 and 6,400,012.08 is: 8,833,584.98
Step by Step Solution
- Step 1: Write the proportion equation
10,470,980.40 : 14,452,518.84 = 6,400,012.08 : x - Step 2: Convert to fraction form
10,470,980.40/14,452,518.84 = 6,400,012.08/x - Step 3: Cross multiply
10,470,980.40x = 14,452,518.84 × 6,400,012.08 - Step 4: Simplify right side
10,470,980.40x = 92,496,295,162,427.59 - Step 5: Solve for x
x = 92,496,295,162,427.59/10,470,980.40 - Step 6: Final answer
x = 8,833,584.98
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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.