Finding the Fourth Proportional to 16,637,023.20, 24,905,768.40 and 15,652,754.40
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Solution
The fourth proportional to 16,637,023.20, 24,905,768.40 and 15,652,754.40 is: 23,432,309.45
Step by Step Solution
- Step 1: Write the proportion equation
16,637,023.20 : 24,905,768.40 = 15,652,754.40 : x - Step 2: Convert to fraction form
16,637,023.20/24,905,768.40 = 15,652,754.40/x - Step 3: Cross multiply
16,637,023.20x = 24,905,768.40 × 15,652,754.40 - Step 4: Simplify right side
16,637,023.20x = 389,843,875,908,480.94 - Step 5: Solve for x
x = 389,843,875,908,480.94/16,637,023.20 - Step 6: Final answer
x = 23,432,309.45
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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.