Finding the Fourth Proportional to 42,301,440.36, 63,452,379.49 and 19,256,258.44
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Solution
The fourth proportional to 42,301,440.36, 63,452,379.49 and 19,256,258.44 is: 28,884,487.33
Step by Step Solution
- Step 1: Write the proportion equation
42,301,440.36 : 63,452,379.49 = 19,256,258.44 : x - Step 2: Convert to fraction form
42,301,440.36/63,452,379.49 = 19,256,258.44/x - Step 3: Cross multiply
42,301,440.36x = 63,452,379.49 × 19,256,258.44 - Step 4: Simplify right side
42,301,440.36x = 1,221,855,418,092,395.50 - Step 5: Solve for x
x = 1,221,855,418,092,395.50/42,301,440.36 - Step 6: Final answer
x = 28,884,487.33
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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.