Finding the Fourth Proportional to 19,689,466.16, 29,534,199.21 and 5,312,533.94
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Solution
The fourth proportional to 19,689,466.16, 29,534,199.21 and 5,312,533.94 is: 7,968,800.90
Step by Step Solution
- Step 1: Write the proportion equation
19,689,466.16 : 29,534,199.21 = 5,312,533.94 : x - Step 2: Convert to fraction form
19,689,466.16/29,534,199.21 = 5,312,533.94/x - Step 3: Cross multiply
19,689,466.16x = 29,534,199.21 × 5,312,533.94 - Step 4: Simplify right side
19,689,466.16x = 156,901,435,546,175.19 - Step 5: Solve for x
x = 156,901,435,546,175.19/19,689,466.16 - Step 6: Final answer
x = 7,968,800.90
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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.