Finding the Fourth Proportional to 8,486,134.59, 12,708,940.73 and 4,884,330.63
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Solution
The fourth proportional to 8,486,134.59, 12,708,940.73 and 4,884,330.63 is: 7,314,834.31
Step by Step Solution
- Step 1: Write the proportion equation
8,486,134.59 : 12,708,940.73 = 4,884,330.63 : x - Step 2: Convert to fraction form
8,486,134.59/12,708,940.73 = 4,884,330.63/x - Step 3: Cross multiply
8,486,134.59x = 12,708,940.73 × 4,884,330.63 - Step 4: Simplify right side
8,486,134.59x = 62,074,668,457,971.91 - Step 5: Solve for x
x = 62,074,668,457,971.91/8,486,134.59 - Step 6: Final answer
x = 7,314,834.31
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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.