Finding the Fourth Proportional to 12,032,310.81, 16,604,616.30 and 6,875,660.07
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Solution
The fourth proportional to 12,032,310.81, 16,604,616.30 and 6,875,660.07 is: 9,488,426.54
Step by Step Solution
- Step 1: Write the proportion equation
12,032,310.81 : 16,604,616.30 = 6,875,660.07 : x - Step 2: Convert to fraction form
12,032,310.81/16,604,616.30 = 6,875,660.07/x - Step 3: Cross multiply
12,032,310.81x = 16,604,616.30 × 6,875,660.07 - Step 4: Simplify right side
12,032,310.81x = 114,167,697,271,581.16 - Step 5: Solve for x
x = 114,167,697,271,581.16/12,032,310.81 - Step 6: Final answer
x = 9,488,426.54
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1.5x scale
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.