Finding the Fourth Proportional to 28,440,812.13, 39,237,152.98 and 16,517,595.94
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Solution
The fourth proportional to 28,440,812.13, 39,237,152.98 and 16,517,595.94 is: 22,787,796.49
Step by Step Solution
- Step 1: Write the proportion equation
28,440,812.13 : 39,237,152.98 = 16,517,595.94 : x - Step 2: Convert to fraction form
28,440,812.13/39,237,152.98 = 16,517,595.94/x - Step 3: Cross multiply
28,440,812.13x = 39,237,152.98 × 16,517,595.94 - Step 4: Simplify right side
28,440,812.13x = 648,103,438,759,606.88 - Step 5: Solve for x
x = 648,103,438,759,606.88/28,440,812.13 - Step 6: Final answer
x = 22,787,796.49
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.