Finding the Fourth Proportional to 10,128,888.68, 13,979,632.68 and 6,001,243.75
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Solution
The fourth proportional to 10,128,888.68, 13,979,632.68 and 6,001,243.75 is: 8,282,762.89
Step by Step Solution
- Step 1: Write the proportion equation
10,128,888.68 : 13,979,632.68 = 6,001,243.75 : x - Step 2: Convert to fraction form
10,128,888.68/13,979,632.68 = 6,001,243.75/x - Step 3: Cross multiply
10,128,888.68x = 13,979,632.68 × 6,001,243.75 - Step 4: Simplify right side
10,128,888.68x = 83,895,183,248,145.75 - Step 5: Solve for x
x = 83,895,183,248,145.75/10,128,888.68 - Step 6: Final answer
x = 8,282,762.89
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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.