Finding the Fourth Proportional to 14,399,420.16, 19,871,201.70 and 7,873,054.14
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Solution
The fourth proportional to 14,399,420.16, 19,871,201.70 and 7,873,054.14 is: 10,864,815.74
Step by Step Solution
- Step 1: Write the proportion equation
14,399,420.16 : 19,871,201.70 = 7,873,054.14 : x - Step 2: Convert to fraction form
14,399,420.16/19,871,201.70 = 7,873,054.14/x - Step 3: Cross multiply
14,399,420.16x = 19,871,201.70 × 7,873,054.14 - Step 4: Simplify right side
14,399,420.16x = 156,447,046,810,960.03 - Step 5: Solve for x
x = 156,447,046,810,960.03/14,399,420.16 - Step 6: Final answer
x = 10,864,815.74
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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.