Finding the Fourth Proportional to 17,670,416.68, 26,506,217.94 and 4,889,851.12
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Solution
The fourth proportional to 17,670,416.68, 26,506,217.94 and 4,889,851.12 is: 7,334,940.76
Step by Step Solution
- Step 1: Write the proportion equation
17,670,416.68 : 26,506,217.94 = 4,889,851.12 : x - Step 2: Convert to fraction form
17,670,416.68/26,506,217.94 = 4,889,851.12/x - Step 3: Cross multiply
17,670,416.68x = 26,506,217.94 × 4,889,851.12 - Step 4: Simplify right side
17,670,416.68x = 129,611,459,480,873.11 - Step 5: Solve for x
x = 129,611,459,480,873.11/17,670,416.68 - Step 6: Final answer
x = 7,334,940.76
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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.