Finding the Fourth Proportional to 28,028,384.36, 42,044,777.50 and 7,557,795.74
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Solution
The fourth proportional to 28,028,384.36, 42,044,777.50 and 7,557,795.74 is: 11,337,287.09
Step by Step Solution
- Step 1: Write the proportion equation
28,028,384.36 : 42,044,777.50 = 7,557,795.74 : x - Step 2: Convert to fraction form
28,028,384.36/42,044,777.50 = 7,557,795.74/x - Step 3: Cross multiply
28,028,384.36x = 42,044,777.50 × 7,557,795.74 - Step 4: Simplify right side
28,028,384.36x = 317,765,840,068,524 - Step 5: Solve for x
x = 317,765,840,068,524/28,028,384.36 - Step 6: Final answer
x = 11,337,287.09
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1.5x scale
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.