Finding the Fourth Proportional to 10,807,445.66, 16,213,133.14 and 5,127,617.12
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Solution
The fourth proportional to 10,807,445.66, 16,213,133.14 and 5,127,617.12 is: 7,692,357.81
Step by Step Solution
- Step 1: Write the proportion equation
10,807,445.66 : 16,213,133.14 = 5,127,617.12 : x - Step 2: Convert to fraction form
10,807,445.66/16,213,133.14 = 5,127,617.12/x - Step 3: Cross multiply
10,807,445.66x = 16,213,133.14 × 5,127,617.12 - Step 4: Simplify right side
10,807,445.66x = 83,134,738,963,618.64 - Step 5: Solve for x
x = 83,134,738,963,618.64/10,807,445.66 - Step 6: Final answer
x = 7,692,357.81
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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.