Finding the Fourth Proportional to 20,559,351.76, 30,817,326.12 and 6,899,546.32
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Solution
The fourth proportional to 20,559,351.76, 30,817,326.12 and 6,899,546.32 is: 10,342,036.63
Step by Step Solution
- Step 1: Write the proportion equation
20,559,351.76 : 30,817,326.12 = 6,899,546.32 : x - Step 2: Convert to fraction form
20,559,351.76/30,817,326.12 = 6,899,546.32/x - Step 3: Cross multiply
20,559,351.76x = 30,817,326.12 × 6,899,546.32 - Step 4: Simplify right side
20,559,351.76x = 212,625,569,023,485.91 - Step 5: Solve for x
x = 212,625,569,023,485.91/20,559,351.76 - Step 6: Final answer
x = 10,342,036.63
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.