Finding the Fourth Proportional to 45,495,919.36, 68,243,879.28 and 15,203,782.40
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Solution
The fourth proportional to 45,495,919.36, 68,243,879.28 and 15,203,782.40 is: 22,805,673.68
Step by Step Solution
- Step 1: Write the proportion equation
45,495,919.36 : 68,243,879.28 = 15,203,782.40 : x - Step 2: Convert to fraction form
45,495,919.36/68,243,879.28 = 15,203,782.40/x - Step 3: Cross multiply
45,495,919.36x = 68,243,879.28 × 15,203,782.40 - Step 4: Simplify right side
45,495,919.36x = 1,037,565,090,704,988.75 - Step 5: Solve for x
x = 1,037,565,090,704,988.75/45,495,919.36 - Step 6: Final answer
x = 22,805,673.68
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1.5x scale
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.