Finding the Fourth Proportional to 11,778,973.14, 16,255,964.60 and 6,552,965.74
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Solution
The fourth proportional to 11,778,973.14, 16,255,964.60 and 6,552,965.74 is: 9,043,638.85
Step by Step Solution
- Step 1: Write the proportion equation
11,778,973.14 : 16,255,964.60 = 6,552,965.74 : x - Step 2: Convert to fraction form
11,778,973.14/16,255,964.60 = 6,552,965.74/x - Step 3: Cross multiply
11,778,973.14x = 16,255,964.60 × 6,552,965.74 - Step 4: Simplify right side
11,778,973.14x = 106,524,779,094,452.81 - Step 5: Solve for x
x = 106,524,779,094,452.81/11,778,973.14 - Step 6: Final answer
x = 9,043,638.85
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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.