Finding the Fourth Proportional to 13,210,302.40, 18,456,632 and 13,210,302.40
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Solution
The fourth proportional to 13,210,302.40, 18,456,632 and 13,210,302.40 is: 18,456,632
Step by Step Solution
- Step 1: Write the proportion equation
13,210,302.40 : 18,456,632 = 13,210,302.40 : x - Step 2: Convert to fraction form
13,210,302.40/18,456,632 = 13,210,302.40/x - Step 3: Cross multiply
13,210,302.40x = 18,456,632 × 13,210,302.40 - Step 4: Simplify right side
13,210,302.40x = 243,817,690,005,516.81 - Step 5: Solve for x
x = 243,817,690,005,516.81/13,210,302.40 - Step 6: Final answer
x = 18,456,632
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.