Finding the Fourth Proportional to 24,581,315.70, 36,871,973.55 and 13,243,907.70
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Solution
The fourth proportional to 24,581,315.70, 36,871,973.55 and 13,243,907.70 is: 19,865,861.55
Step by Step Solution
- Step 1: Write the proportion equation
24,581,315.70 : 36,871,973.55 = 13,243,907.70 : x - Step 2: Convert to fraction form
24,581,315.70/36,871,973.55 = 13,243,907.70/x - Step 3: Cross multiply
24,581,315.70x = 36,871,973.55 × 13,243,907.70 - Step 4: Simplify right side
24,581,315.70x = 488,329,014,413,041.25 - Step 5: Solve for x
x = 488,329,014,413,041.25/24,581,315.70 - Step 6: Final answer
x = 19,865,861.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.