Finding the Fourth Proportional to 12,750,155.14, 17,594,763.96 and 6,948,821.74
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Solution
The fourth proportional to 12,750,155.14, 17,594,763.96 and 6,948,821.74 is: 9,589,128.68
Step by Step Solution
- Step 1: Write the proportion equation
12,750,155.14 : 17,594,763.96 = 6,948,821.74 : x - Step 2: Convert to fraction form
12,750,155.14/17,594,763.96 = 6,948,821.74/x - Step 3: Cross multiply
12,750,155.14x = 17,594,763.96 × 6,948,821.74 - Step 4: Simplify right side
12,750,155.14x = 122,262,878,315,416.50 - Step 5: Solve for x
x = 122,262,878,315,416.50/12,750,155.14 - Step 6: Final answer
x = 9,589,128.68
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.