Finding the Fourth Proportional to 43,018,362.68, 64,540,135.69 and 13,871,615.49
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Solution
The fourth proportional to 43,018,362.68, 64,540,135.69 and 13,871,615.49 is: 20,811,483.52
Step by Step Solution
- Step 1: Write the proportion equation
43,018,362.68 : 64,540,135.69 = 13,871,615.49 : x - Step 2: Convert to fraction form
43,018,362.68/64,540,135.69 = 13,871,615.49/x - Step 3: Cross multiply
43,018,362.68x = 64,540,135.69 × 13,871,615.49 - Step 4: Simplify right side
43,018,362.68x = 895,275,946,234,154.62 - Step 5: Solve for x
x = 895,275,946,234,154.62/43,018,362.68 - Step 6: Final answer
x = 20,811,483.52
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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.