Finding the Fourth Proportional to 14,399,420.68, 19,871,202.40 and 7,873,054.64
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Solution
The fourth proportional to 14,399,420.68, 19,871,202.40 and 7,873,054.64 is: 10,864,816.42
Step by Step Solution
- Step 1: Write the proportion equation
14,399,420.68 : 19,871,202.40 = 7,873,054.64 : x - Step 2: Convert to fraction form
14,399,420.68/19,871,202.40 = 7,873,054.64/x - Step 3: Cross multiply
14,399,420.68x = 19,871,202.40 × 7,873,054.64 - Step 4: Simplify right side
14,399,420.68x = 156,447,062,257,699.12 - Step 5: Solve for x
x = 156,447,062,257,699.12/14,399,420.68 - Step 6: Final answer
x = 10,864,816.42
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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.