Finding the Fourth Proportional to 13,310,521.29, 19,967,988.06 and 4,672,380.44
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Solution
The fourth proportional to 13,310,521.29, 19,967,988.06 and 4,672,380.44 is: 7,009,345.08
Step by Step Solution
- Step 1: Write the proportion equation
13,310,521.29 : 19,967,988.06 = 4,672,380.44 : x - Step 2: Convert to fraction form
13,310,521.29/19,967,988.06 = 4,672,380.44/x - Step 3: Cross multiply
13,310,521.29x = 19,967,988.06 × 4,672,380.44 - Step 4: Simplify right side
13,310,521.29x = 93,298,036,837,697.55 - Step 5: Solve for x
x = 93,298,036,837,697.55/13,310,521.29 - Step 6: Final answer
x = 7,009,345.08
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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.