Finding the Fourth Proportional to 18,023,802.08, 27,038,416.56 and 5,242,624.16
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Solution
The fourth proportional to 18,023,802.08, 27,038,416.56 and 5,242,624.16 is: 7,864,725.50
Step by Step Solution
- Step 1: Write the proportion equation
18,023,802.08 : 27,038,416.56 = 5,242,624.16 : x - Step 2: Convert to fraction form
18,023,802.08/27,038,416.56 = 5,242,624.16/x - Step 3: Cross multiply
18,023,802.08x = 27,038,416.56 × 5,242,624.16 - Step 4: Simplify right side
18,023,802.08x = 141,752,255,905,600.09 - Step 5: Solve for x
x = 141,752,255,905,600.09/18,023,802.08 - Step 6: Final answer
x = 7,864,725.50
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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.