Finding the Fourth Proportional to 19,954,394.10, 29,931,591.15 and 7,175,315.70
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Solution
The fourth proportional to 19,954,394.10, 29,931,591.15 and 7,175,315.70 is: 10,762,973.55
Step by Step Solution
- Step 1: Write the proportion equation
19,954,394.10 : 29,931,591.15 = 7,175,315.70 : x - Step 2: Convert to fraction form
19,954,394.10/29,931,591.15 = 7,175,315.70/x - Step 3: Cross multiply
19,954,394.10x = 29,931,591.15 × 7,175,315.70 - Step 4: Simplify right side
19,954,394.10x = 214,768,615,904,576.06 - Step 5: Solve for x
x = 214,768,615,904,576.06/19,954,394.10 - Step 6: Final answer
x = 10,762,973.55
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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.