Finding the Fourth Proportional to 6,913,459.77, 9,545,068.49 and 6,187,058.65
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Solution
The fourth proportional to 6,913,459.77, 9,545,068.49 and 6,187,058.65 is: 8,542,162.76
Step by Step Solution
- Step 1: Write the proportion equation
6,913,459.77 : 9,545,068.49 = 6,187,058.65 : x - Step 2: Convert to fraction form
6,913,459.77/9,545,068.49 = 6,187,058.65/x - Step 3: Cross multiply
6,913,459.77x = 9,545,068.49 × 6,187,058.65 - Step 4: Simplify right side
6,913,459.77x = 59,055,898,565,896.95 - Step 5: Solve for x
x = 59,055,898,565,896.95/6,913,459.77 - Step 6: Final answer
x = 8,542,162.76
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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.