Finding the Fourth Proportional to 10,366,619.30, 15,549,928.95 and 4,974,352.10
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Solution
The fourth proportional to 10,366,619.30, 15,549,928.95 and 4,974,352.10 is: 7,461,528.15
Step by Step Solution
- Step 1: Write the proportion equation
10,366,619.30 : 15,549,928.95 = 4,974,352.10 : x - Step 2: Convert to fraction form
10,366,619.30/15,549,928.95 = 4,974,352.10/x - Step 3: Cross multiply
10,366,619.30x = 15,549,928.95 × 4,974,352.10 - Step 4: Simplify right side
10,366,619.30x = 77,350,821,727,283.28 - Step 5: Solve for x
x = 77,350,821,727,283.28/10,366,619.30 - Step 6: Final answer
x = 7,461,528.15
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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.