Finding the Fourth Proportional to 32,785,069.08, 45,243,459.05 and 18,100,763.76
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Solution
The fourth proportional to 32,785,069.08, 45,243,459.05 and 18,100,763.76 is: 24,979,089.17
Step by Step Solution
- Step 1: Write the proportion equation
32,785,069.08 : 45,243,459.05 = 18,100,763.76 : x - Step 2: Convert to fraction form
32,785,069.08/45,243,459.05 = 18,100,763.76/x - Step 3: Cross multiply
32,785,069.08x = 45,243,459.05 × 18,100,763.76 - Step 4: Simplify right side
32,785,069.08x = 818,941,163,858,780.38 - Step 5: Solve for x
x = 818,941,163,858,780.38/32,785,069.08 - Step 6: Final answer
x = 24,979,089.17
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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.