Finding the Fourth Proportional to 19,328,435.93, 26,672,555.21 and 10,626,545.18
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Solution
The fourth proportional to 19,328,435.93, 26,672,555.21 and 10,626,545.18 is: 14,664,254.99
Step by Step Solution
- Step 1: Write the proportion equation
19,328,435.93 : 26,672,555.21 = 10,626,545.18 : x - Step 2: Convert to fraction form
19,328,435.93/26,672,555.21 = 10,626,545.18/x - Step 3: Cross multiply
19,328,435.93x = 26,672,555.21 × 10,626,545.18 - Step 4: Simplify right side
19,328,435.93x = 283,437,113,018,658 - Step 5: Solve for x
x = 283,437,113,018,658/19,328,435.93 - Step 6: Final answer
x = 14,664,254.99
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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.