Finding the Fourth Proportional to 6,908,966.77, 10,372,430.68 and 5,312,650.87
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Solution
The fourth proportional to 6,908,966.77, 10,372,430.68 and 5,312,650.87 is: 7,975,881.88
Step by Step Solution
- Step 1: Write the proportion equation
6,908,966.77 : 10,372,430.68 = 5,312,650.87 : x - Step 2: Convert to fraction form
6,908,966.77/10,372,430.68 = 5,312,650.87/x - Step 3: Cross multiply
6,908,966.77x = 10,372,430.68 × 5,312,650.87 - Step 4: Simplify right side
6,908,966.77x = 55,105,102,876,116.69 - Step 5: Solve for x
x = 55,105,102,876,116.69/6,908,966.77 - Step 6: Final answer
x = 7,975,881.88
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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.