Finding the Fourth Proportional to 19,005,337.44, 26,249,016.92 and 12,883,137.12
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Solution
The fourth proportional to 19,005,337.44, 26,249,016.92 and 12,883,137.12 is: 17,793,405.95
Step by Step Solution
- Step 1: Write the proportion equation
19,005,337.44 : 26,249,016.92 = 12,883,137.12 : x - Step 2: Convert to fraction form
19,005,337.44/26,249,016.92 = 12,883,137.12/x - Step 3: Cross multiply
19,005,337.44x = 26,249,016.92 × 12,883,137.12 - Step 4: Simplify right side
19,005,337.44x = 338,169,684,245,560.06 - Step 5: Solve for x
x = 338,169,684,245,560.06/19,005,337.44 - Step 6: Final answer
x = 17,793,405.95
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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.