Finding the Fourth Proportional to 46,909,963.99, 70,396,735.45 and 19,248,882.26
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Solution
The fourth proportional to 46,909,963.99, 70,396,735.45 and 19,248,882.26 is: 28,886,367.78
Step by Step Solution
- Step 1: Write the proportion equation
46,909,963.99 : 70,396,735.45 = 19,248,882.26 : x - Step 2: Convert to fraction form
46,909,963.99/70,396,735.45 = 19,248,882.26/x - Step 3: Cross multiply
46,909,963.99x = 70,396,735.45 × 19,248,882.26 - Step 4: Simplify right side
46,909,963.99x = 1,355,058,472,165,418.25 - Step 5: Solve for x
x = 1,355,058,472,165,418.25/46,909,963.99 - Step 6: Final answer
x = 28,886,367.78
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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.