Finding the Fourth Proportional to 19,961,012.00, 29,942,607.65 and 6,313,139.55
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Solution
The fourth proportional to 19,961,012.00, 29,942,607.65 and 6,313,139.55 is: 9,470,053.95
Step by Step Solution
- Step 1: Write the proportion equation
19,961,012.00 : 29,942,607.65 = 6,313,139.55 : x - Step 2: Convert to fraction form
19,961,012.00/29,942,607.65 = 6,313,139.55/x - Step 3: Cross multiply
19,961,012.00x = 29,942,607.65 × 6,313,139.55 - Step 4: Simplify right side
19,961,012.00x = 189,031,860,553,781.84 - Step 5: Solve for x
x = 189,031,860,553,781.84/19,961,012.00 - Step 6: Final answer
x = 9,470,053.95
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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.