Finding the Fourth Proportional to 10,555,855.74, 14,565,853.35 and 5,909,903.10
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Solution
The fourth proportional to 10,555,855.74, 14,565,853.35 and 5,909,903.10 is: 8,154,979.00
Step by Step Solution
- Step 1: Write the proportion equation
10,555,855.74 : 14,565,853.35 = 5,909,903.10 : x - Step 2: Convert to fraction form
10,555,855.74/14,565,853.35 = 5,909,903.10/x - Step 3: Cross multiply
10,555,855.74x = 14,565,853.35 × 5,909,903.10 - Step 4: Simplify right side
10,555,855.74x = 86,082,781,867,310.38 - Step 5: Solve for x
x = 86,082,781,867,310.38/10,555,855.74 - Step 6: Final answer
x = 8,154,979.00
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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.