Finding the Fourth Proportional to 57,838,014.08, 86,753,965.49 and 18,971,346.37
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Solution
The fourth proportional to 57,838,014.08, 86,753,965.49 and 18,971,346.37 is: 28,456,017.28
Step by Step Solution
- Step 1: Write the proportion equation
57,838,014.08 : 86,753,965.49 = 18,971,346.37 : x - Step 2: Convert to fraction form
57,838,014.08/86,753,965.49 = 18,971,346.37/x - Step 3: Cross multiply
57,838,014.08x = 86,753,965.49 × 18,971,346.37 - Step 4: Simplify right side
57,838,014.08x = 1,645,839,528,281,816.75 - Step 5: Solve for x
x = 1,645,839,528,281,816.75/57,838,014.08 - Step 6: Final answer
x = 28,456,017.28
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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.