Finding the Fourth Proportional to 13,165,355.64, 19,748,919.04 and 5,078,398.26
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Solution
The fourth proportional to 13,165,355.64, 19,748,919.04 and 5,078,398.26 is: 7,617,938.99
Step by Step Solution
- Step 1: Write the proportion equation
13,165,355.64 : 19,748,919.04 = 5,078,398.26 : x - Step 2: Convert to fraction form
13,165,355.64/19,748,919.04 = 5,078,398.26/x - Step 3: Cross multiply
13,165,355.64x = 19,748,919.04 × 5,078,398.26 - Step 4: Simplify right side
13,165,355.64x = 100,292,876,089,616.86 - Step 5: Solve for x
x = 100,292,876,089,616.86/13,165,355.64 - Step 6: Final answer
x = 7,617,938.99
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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.