Finding the Fourth Proportional to 16,387,515.80, 24,581,273.70 and 8,829,243.80
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Solution
The fourth proportional to 16,387,515.80, 24,581,273.70 and 8,829,243.80 is: 13,243,865.70
Step by Step Solution
- Step 1: Write the proportion equation
16,387,515.80 : 24,581,273.70 = 8,829,243.80 : x - Step 2: Convert to fraction form
16,387,515.80/24,581,273.70 = 8,829,243.80/x - Step 3: Cross multiply
16,387,515.80x = 24,581,273.70 × 8,829,243.80 - Step 4: Simplify right side
16,387,515.80x = 217,034,058,411,828.06 - Step 5: Solve for x
x = 217,034,058,411,828.06/16,387,515.80 - Step 6: Final answer
x = 13,243,865.70
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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.