Finding the Fourth Proportional to 15,275,315.70, 22,912,973.55 and 13,302,340.99
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Solution
The fourth proportional to 15,275,315.70, 22,912,973.55 and 13,302,340.99 is: 19,953,511.48
Step by Step Solution
- Step 1: Write the proportion equation
15,275,315.70 : 22,912,973.55 = 13,302,340.99 : x - Step 2: Convert to fraction form
15,275,315.70/22,912,973.55 = 13,302,340.99/x - Step 3: Cross multiply
15,275,315.70x = 22,912,973.55 × 13,302,340.99 - Step 4: Simplify right side
15,275,315.70x = 304,796,187,199,668.44 - Step 5: Solve for x
x = 304,796,187,199,668.44/15,275,315.70 - Step 6: Final answer
x = 19,953,511.48
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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.