Finding the Fourth Proportional to 13,348,024.21, 18,420,769.47 and 7,546,459.96
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Solution
The fourth proportional to 13,348,024.21, 18,420,769.47 and 7,546,459.96 is: 10,414,395.20
Step by Step Solution
- Step 1: Write the proportion equation
13,348,024.21 : 18,420,769.47 = 7,546,459.96 : x - Step 2: Convert to fraction form
13,348,024.21/18,420,769.47 = 7,546,459.96/x - Step 3: Cross multiply
13,348,024.21x = 18,420,769.47 × 7,546,459.96 - Step 4: Simplify right side
13,348,024.21x = 139,011,599,237,745.41 - Step 5: Solve for x
x = 139,011,599,237,745.41/13,348,024.21 - Step 6: Final answer
x = 10,414,395.20
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.