Finding the Fourth Proportional to 12,546,459.19, 18,808,727.76 and 4,864,811.68
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Solution
The fourth proportional to 12,546,459.19, 18,808,727.76 and 4,864,811.68 is: 7,292,967.45
Step by Step Solution
- Step 1: Write the proportion equation
12,546,459.19 : 18,808,727.76 = 4,864,811.68 : x - Step 2: Convert to fraction form
12,546,459.19/18,808,727.76 = 4,864,811.68/x - Step 3: Cross multiply
12,546,459.19x = 18,808,727.76 × 4,864,811.68 - Step 4: Simplify right side
12,546,459.19x = 91,500,918,492,788.23 - Step 5: Solve for x
x = 91,500,918,492,788.23/12,546,459.19 - Step 6: Final answer
x = 7,292,967.45
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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.