Finding the Fourth Proportional to 19,701,964.80, 29,553,868.80 and 6,239,846.40
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Solution
The fourth proportional to 19,701,964.80, 29,553,868.80 and 6,239,846.40 is: 9,360,061.48
Step by Step Solution
- Step 1: Write the proportion equation
19,701,964.80 : 29,553,868.80 = 6,239,846.40 : x - Step 2: Convert to fraction form
19,701,964.80/29,553,868.80 = 6,239,846.40/x - Step 3: Cross multiply
19,701,964.80x = 29,553,868.80 × 6,239,846.40 - Step 4: Simplify right side
19,701,964.80x = 184,411,601,837,752.34 - Step 5: Solve for x
x = 184,411,601,837,752.34/19,701,964.80 - Step 6: Final answer
x = 9,360,061.48
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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.