Finding the Fourth Proportional to 19,236,164.11, 28,854,303.57 and 4,663,025.82
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Solution
The fourth proportional to 19,236,164.11, 28,854,303.57 and 4,663,025.82 is: 6,994,552.65
Step by Step Solution
- Step 1: Write the proportion equation
19,236,164.11 : 28,854,303.57 = 4,663,025.82 : x - Step 2: Convert to fraction form
19,236,164.11/28,854,303.57 = 4,663,025.82/x - Step 3: Cross multiply
19,236,164.11x = 28,854,303.57 × 4,663,025.82 - Step 4: Simplify right side
19,236,164.11x = 134,548,362,565,028.19 - Step 5: Solve for x
x = 134,548,362,565,028.19/19,236,164.11 - Step 6: Final answer
x = 6,994,552.65
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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.