Finding the Fourth Proportional to 29,023,181.12, 40,068,509.80 and 19,246,823.68
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Solution
The fourth proportional to 29,023,181.12, 40,068,509.80 and 19,246,823.68 is: 26,571,571.88
Step by Step Solution
- Step 1: Write the proportion equation
29,023,181.12 : 40,068,509.80 = 19,246,823.68 : x - Step 2: Convert to fraction form
29,023,181.12/40,068,509.80 = 19,246,823.68/x - Step 3: Cross multiply
29,023,181.12x = 40,068,509.80 × 19,246,823.68 - Step 4: Simplify right side
29,023,181.12x = 771,191,543,240,952 - Step 5: Solve for x
x = 771,191,543,240,952/29,023,181.12 - Step 6: Final answer
x = 26,571,571.88
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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.