Finding the Fourth Proportional to 7,618,457.99, 10,513,775.16 and 4,180,822.04
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Solution
The fourth proportional to 7,618,457.99, 10,513,775.16 and 4,180,822.04 is: 5,769,700.76
Step by Step Solution
- Step 1: Write the proportion equation
7,618,457.99 : 10,513,775.16 = 4,180,822.04 : x - Step 2: Convert to fraction form
7,618,457.99/10,513,775.16 = 4,180,822.04/x - Step 3: Cross multiply
7,618,457.99x = 10,513,775.16 × 4,180,822.04 - Step 4: Simplify right side
7,618,457.99x = 43,956,222,859,963.66 - Step 5: Solve for x
x = 43,956,222,859,963.66/7,618,457.99 - Step 6: Final answer
x = 5,769,700.76
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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.