Finding the Fourth Proportional to 12,048,098.88, 16,626,342.24 and 7,219,202.88
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Solution
The fourth proportional to 12,048,098.88, 16,626,342.24 and 7,219,202.88 is: 9,962,479.47
Step by Step Solution
- Step 1: Write the proportion equation
12,048,098.88 : 16,626,342.24 = 7,219,202.88 : x - Step 2: Convert to fraction form
12,048,098.88/16,626,342.24 = 7,219,202.88/x - Step 3: Cross multiply
12,048,098.88x = 16,626,342.24 × 7,219,202.88 - Step 4: Simplify right side
12,048,098.88x = 120,028,937,782,873.66 - Step 5: Solve for x
x = 120,028,937,782,873.66/12,048,098.88 - Step 6: Final answer
x = 9,962,479.47
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1.5x scale
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.