Finding the Fourth Proportional to 10,366,288.53, 15,549,432.79 and 10,206,856.23
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Solution
The fourth proportional to 10,366,288.53, 15,549,432.79 and 10,206,856.23 is: 15,310,284.34
Step by Step Solution
- Step 1: Write the proportion equation
10,366,288.53 : 15,549,432.79 = 10,206,856.23 : x - Step 2: Convert to fraction form
10,366,288.53/15,549,432.79 = 10,206,856.23/x - Step 3: Cross multiply
10,366,288.53x = 15,549,432.79 × 10,206,856.23 - Step 4: Simplify right side
10,366,288.53x = 158,710,824,945,577.78 - Step 5: Solve for x
x = 158,710,824,945,577.78/10,366,288.53 - Step 6: Final answer
x = 15,310,284.34
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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.