Finding the Fourth Proportional to 19,255,520.16, 26,575,545.60 and 12,289,203.36
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Solution
The fourth proportional to 19,255,520.16, 26,575,545.60 and 12,289,203.36 is: 16,960,969.20
Step by Step Solution
- Step 1: Write the proportion equation
19,255,520.16 : 26,575,545.60 = 12,289,203.36 : x - Step 2: Convert to fraction form
19,255,520.16/26,575,545.60 = 12,289,203.36/x - Step 3: Cross multiply
19,255,520.16x = 26,575,545.60 × 12,289,203.36 - Step 4: Simplify right side
19,255,520.16x = 326,592,284,281,353.19 - Step 5: Solve for x
x = 326,592,284,281,353.19/19,255,520.16 - Step 6: Final answer
x = 16,960,969.20
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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.