Finding the Fourth Proportional to 6,873,280.04, 9,478,788.36 and 4,671,440.84
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Solution
The fourth proportional to 6,873,280.04, 9,478,788.36 and 4,671,440.84 is: 6,442,280.66
Step by Step Solution
- Step 1: Write the proportion equation
6,873,280.04 : 9,478,788.36 = 4,671,440.84 : x - Step 2: Convert to fraction form
6,873,280.04/9,478,788.36 = 4,671,440.84/x - Step 3: Cross multiply
6,873,280.04x = 9,478,788.36 × 4,671,440.84 - Step 4: Simplify right side
6,873,280.04x = 44,279,599,058,620.62 - Step 5: Solve for x
x = 44,279,599,058,620.62/6,873,280.04 - Step 6: Final answer
x = 6,442,280.66
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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.