Finding the Fourth Proportional to 7,244,497.60, 10,866,746.40 and 6,697,067.20
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Solution
The fourth proportional to 7,244,497.60, 10,866,746.40 and 6,697,067.20 is: 10,045,600.80
Step by Step Solution
- Step 1: Write the proportion equation
7,244,497.60 : 10,866,746.40 = 6,697,067.20 : x - Step 2: Convert to fraction form
7,244,497.60/10,866,746.40 = 6,697,067.20/x - Step 3: Cross multiply
7,244,497.60x = 10,866,746.40 × 6,697,067.20 - Step 4: Simplify right side
7,244,497.60x = 72,775,330,886,158.08 - Step 5: Solve for x
x = 72,775,330,886,158.08/7,244,497.60 - Step 6: Final answer
x = 10,045,600.80
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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.