Finding the Fourth Proportional to 10,054,727.77, 15,070,281.81 and 4,651,965.70
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Solution
The fourth proportional to 10,054,727.77, 15,070,281.81 and 4,651,965.70 is: 6,972,484.55
Step by Step Solution
- Step 1: Write the proportion equation
10,054,727.77 : 15,070,281.81 = 4,651,965.70 : x - Step 2: Convert to fraction form
10,054,727.77/15,070,281.81 = 4,651,965.70/x - Step 3: Cross multiply
10,054,727.77x = 15,070,281.81 × 4,651,965.70 - Step 4: Simplify right side
10,054,727.77x = 70,106,434,069,453.92 - Step 5: Solve for x
x = 70,106,434,069,453.92/10,054,727.77 - Step 6: Final answer
x = 6,972,484.55
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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.