Finding the Fourth Proportional to 42,301,443.09, 63,452,383.62 and 19,256,261.19
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Solution
The fourth proportional to 42,301,443.09, 63,452,383.62 and 19,256,261.19 is: 28,884,491.47
Step by Step Solution
- Step 1: Write the proportion equation
42,301,443.09 : 63,452,383.62 = 19,256,261.19 : x - Step 2: Convert to fraction form
42,301,443.09/63,452,383.62 = 19,256,261.19/x - Step 3: Cross multiply
42,301,443.09x = 63,452,383.62 × 19,256,261.19 - Step 4: Simplify right side
42,301,443.09x = 1,221,855,672,114,797.75 - Step 5: Solve for x
x = 1,221,855,672,114,797.75/42,301,443.09 - Step 6: Final answer
x = 28,884,491.47
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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.