Finding the Fourth Proportional to 13,303,562.40, 19,961,218.80 and 6,476,349.60
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Solution
The fourth proportional to 13,303,562.40, 19,961,218.80 and 6,476,349.60 is: 9,717,384.52
Step by Step Solution
- Step 1: Write the proportion equation
13,303,562.40 : 19,961,218.80 = 6,476,349.60 : x - Step 2: Convert to fraction form
13,303,562.40/19,961,218.80 = 6,476,349.60/x - Step 3: Cross multiply
13,303,562.40x = 19,961,218.80 × 6,476,349.60 - Step 4: Simplify right side
13,303,562.40x = 129,275,831,390,892.48 - Step 5: Solve for x
x = 129,275,831,390,892.48/13,303,562.40 - Step 6: Final answer
x = 9,717,384.52
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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.