Finding the Fourth Proportional to 13,905,071.66, 19,187,235.16 and 7,623,946.05
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Solution
The fourth proportional to 13,905,071.66, 19,187,235.16 and 7,623,946.05 is: 10,520,078.52
Step by Step Solution
- Step 1: Write the proportion equation
13,905,071.66 : 19,187,235.16 = 7,623,946.05 : x - Step 2: Convert to fraction form
13,905,071.66/19,187,235.16 = 7,623,946.05/x - Step 3: Cross multiply
13,905,071.66x = 19,187,235.16 × 7,623,946.05 - Step 4: Simplify right side
13,905,071.66x = 146,282,445,727,563 - Step 5: Solve for x
x = 146,282,445,727,563/13,905,071.66 - Step 6: Final answer
x = 10,520,078.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.