Finding the Fourth Proportional to 19,211,859,713.64, 26,510,918,854.08 and 11,692,649,808.12
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Solution
The fourth proportional to 19,211,859,713.64, 26,510,918,854.08 and 11,692,649,808.12 is: 16,134,975,732.32
Step by Step Solution
- Step 1: Write the proportion equation
19,211,859,713.64 : 26,510,918,854.08 = 11,692,649,808.12 : x - Step 2: Convert to fraction form
19,211,859,713.64/26,510,918,854.08 = 11,692,649,808.12/x - Step 3: Cross multiply
19,211,859,713.64x = 26,510,918,854.08 × 11,692,649,808.12 - Step 4: Simplify right side
19,211,859,713.64x = 309,982,890,252,243,435,520 - Step 5: Solve for x
x = 309,982,890,252,243,435,520/19,211,859,713.64 - Step 6: Final answer
x = 16,134,975,732.32
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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.