Finding the Fourth Proportional to 15,202,422.10, 22,771,837.95 and 7,122,294.10
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Solution
The fourth proportional to 15,202,422.10, 22,771,837.95 and 7,122,294.10 is: 10,668,545.18
Step by Step Solution
- Step 1: Write the proportion equation
15,202,422.10 : 22,771,837.95 = 7,122,294.10 : x - Step 2: Convert to fraction form
15,202,422.10/22,771,837.95 = 7,122,294.10/x - Step 3: Cross multiply
15,202,422.10x = 22,771,837.95 × 7,122,294.10 - Step 4: Simplify right side
15,202,422.10x = 162,187,727,077,441.09 - Step 5: Solve for x
x = 162,187,727,077,441.09/15,202,422.10 - Step 6: Final answer
x = 10,668,545.18
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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.