Finding the Fourth Proportional to 18,312,320.04, 25,272,182.66 and 10,163,558.12
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Solution
The fourth proportional to 18,312,320.04, 25,272,182.66 and 10,163,558.12 is: 14,026,365.68
Step by Step Solution
- Step 1: Write the proportion equation
18,312,320.04 : 25,272,182.66 = 10,163,558.12 : x - Step 2: Convert to fraction form
18,312,320.04/25,272,182.66 = 10,163,558.12/x - Step 3: Cross multiply
18,312,320.04x = 25,272,182.66 × 10,163,558.12 - Step 4: Simplify right side
18,312,320.04x = 256,855,297,284,166.19 - Step 5: Solve for x
x = 256,855,297,284,166.19/18,312,320.04 - Step 6: Final answer
x = 14,026,365.68
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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.