Finding the Fourth Proportional to 18,894,607.76, 28,346,409.47 and 6,115,112.62
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Solution
The fourth proportional to 18,894,607.76, 28,346,409.47 and 6,115,112.62 is: 9,174,124.62
Step by Step Solution
- Step 1: Write the proportion equation
18,894,607.76 : 28,346,409.47 = 6,115,112.62 : x - Step 2: Convert to fraction form
18,894,607.76/28,346,409.47 = 6,115,112.62/x - Step 3: Cross multiply
18,894,607.76x = 28,346,409.47 × 6,115,112.62 - Step 4: Simplify right side
18,894,607.76x = 173,341,486,226,106.25 - Step 5: Solve for x
x = 173,341,486,226,106.25/18,894,607.76 - Step 6: Final answer
x = 9,174,124.62
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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.