Finding the Fourth Proportional to 13,129,621.60, 19,683,373.20 and 6,825,877.60
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Solution
The fourth proportional to 13,129,621.60, 19,683,373.20 and 6,825,877.60 is: 10,233,066.90
Step by Step Solution
- Step 1: Write the proportion equation
13,129,621.60 : 19,683,373.20 = 6,825,877.60 : x - Step 2: Convert to fraction form
13,129,621.60/19,683,373.20 = 6,825,877.60/x - Step 3: Cross multiply
13,129,621.60x = 19,683,373.20 × 6,825,877.60 - Step 4: Simplify right side
13,129,621.60x = 134,356,296,218,320.31 - Step 5: Solve for x
x = 134,356,296,218,320.31/13,129,621.60 - Step 6: Final answer
x = 10,233,066.90
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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.