Finding the Fourth Proportional to 13,621,651.12, 20,445,773.80 and 11,249,660.08
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Solution
The fourth proportional to 13,621,651.12, 20,445,773.80 and 11,249,660.08 is: 16,885,471.76
Step by Step Solution
- Step 1: Write the proportion equation
13,621,651.12 : 20,445,773.80 = 11,249,660.08 : x - Step 2: Convert to fraction form
13,621,651.12/20,445,773.80 = 11,249,660.08/x - Step 3: Cross multiply
13,621,651.12x = 20,445,773.80 × 11,249,660.08 - Step 4: Simplify right side
13,621,651.12x = 230,008,005,322,569.91 - Step 5: Solve for x
x = 230,008,005,322,569.91/13,621,651.12 - Step 6: Final answer
x = 16,885,471.76
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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.