Finding the Fourth Proportional to 7,856,363.84, 11,787,424.38 and 3,308,557.47
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Solution
The fourth proportional to 7,856,363.84, 11,787,424.38 and 3,308,557.47 is: 4,964,048.48
Step by Step Solution
- Step 1: Write the proportion equation
7,856,363.84 : 11,787,424.38 = 3,308,557.47 : x - Step 2: Convert to fraction form
7,856,363.84/11,787,424.38 = 3,308,557.47/x - Step 3: Cross multiply
7,856,363.84x = 11,787,424.38 × 3,308,557.47 - Step 4: Simplify right side
7,856,363.84x = 38,999,370,984,509.12 - Step 5: Solve for x
x = 38,999,370,984,509.12/7,856,363.84 - Step 6: Final answer
x = 4,964,048.48
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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.