Finding the Fourth Proportional to 26,420,580.10, 39,593,545.35 and 19,543,485.70
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Solution
The fourth proportional to 26,420,580.10, 39,593,545.35 and 19,543,485.70 is: 29,287,619.14
Step by Step Solution
- Step 1: Write the proportion equation
26,420,580.10 : 39,593,545.35 = 19,543,485.70 : x - Step 2: Convert to fraction form
26,420,580.10/39,593,545.35 = 19,543,485.70/x - Step 3: Cross multiply
26,420,580.10x = 39,593,545.35 × 19,543,485.70 - Step 4: Simplify right side
26,420,580.10x = 773,795,887,360,026.50 - Step 5: Solve for x
x = 773,795,887,360,026.50/26,420,580.10 - Step 6: Final answer
x = 29,287,619.14
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.