Finding the Fourth Proportional to 18,898,496.64, 28,352,260.44 and 6,119,015.40
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Solution
The fourth proportional to 18,898,496.64, 28,352,260.44 and 6,119,015.40 is: 9,179,985.14
Step by Step Solution
- Step 1: Write the proportion equation
18,898,496.64 : 28,352,260.44 = 6,119,015.40 : x - Step 2: Convert to fraction form
18,898,496.64/28,352,260.44 = 6,119,015.40/x - Step 3: Cross multiply
18,898,496.64x = 28,352,260.44 × 6,119,015.40 - Step 4: Simplify right side
18,898,496.64x = 173,487,918,257,170.78 - Step 5: Solve for x
x = 173,487,918,257,170.78/18,898,496.64 - Step 6: Final answer
x = 9,179,985.14
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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.