Finding the Fourth Proportional to 25,418,375.64, 38,118,335.40 and 13,912,345.08
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Solution
The fourth proportional to 25,418,375.64, 38,118,335.40 and 13,912,345.08 is: 20,863,466.79
Step by Step Solution
- Step 1: Write the proportion equation
25,418,375.64 : 38,118,335.40 = 13,912,345.08 : x - Step 2: Convert to fraction form
25,418,375.64/38,118,335.40 = 13,912,345.08/x - Step 3: Cross multiply
25,418,375.64x = 38,118,335.40 × 13,912,345.08 - Step 4: Simplify right side
25,418,375.64x = 530,315,435,959,979.81 - Step 5: Solve for x
x = 530,315,435,959,979.81/25,418,375.64 - Step 6: Final answer
x = 20,863,466.79
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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.