Finding the Fourth Proportional to 15,416,055.21, 23,116,515.99 and 7,625,968.88
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Solution
The fourth proportional to 15,416,055.21, 23,116,515.99 and 7,625,968.88 is: 11,435,210.18
Step by Step Solution
- Step 1: Write the proportion equation
15,416,055.21 : 23,116,515.99 = 7,625,968.88 : x - Step 2: Convert to fraction form
15,416,055.21/23,116,515.99 = 7,625,968.88/x - Step 3: Cross multiply
15,416,055.21x = 23,116,515.99 × 7,625,968.88 - Step 4: Simplify right side
15,416,055.21x = 176,285,831,506,439.12 - Step 5: Solve for x
x = 176,285,831,506,439.12/15,416,055.21 - Step 6: Final answer
x = 11,435,210.18
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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.