Finding the Fourth Proportional to 7,028,214.04, 10,540,252.98 and 3,187,814.70
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Solution
The fourth proportional to 7,028,214.04, 10,540,252.98 and 3,187,814.70 is: 4,780,784.02
Step by Step Solution
- Step 1: Write the proportion equation
7,028,214.04 : 10,540,252.98 = 3,187,814.70 : x - Step 2: Convert to fraction form
7,028,214.04/10,540,252.98 = 3,187,814.70/x - Step 3: Cross multiply
7,028,214.04x = 10,540,252.98 × 3,187,814.70 - Step 4: Simplify right side
7,028,214.04x = 33,600,373,391,362.81 - Step 5: Solve for x
x = 33,600,373,391,362.81/7,028,214.04 - Step 6: Final answer
x = 4,780,784.02
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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.