Finding the Fourth Proportional to 17,966,804.80, 26,950,207.20 and 5,187,726.40
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Solution
The fourth proportional to 17,966,804.80, 26,950,207.20 and 5,187,726.40 is: 7,781,589.60
Step by Step Solution
- Step 1: Write the proportion equation
17,966,804.80 : 26,950,207.20 = 5,187,726.40 : x - Step 2: Convert to fraction form
17,966,804.80/26,950,207.20 = 5,187,726.40/x - Step 3: Cross multiply
17,966,804.80x = 26,950,207.20 × 5,187,726.40 - Step 4: Simplify right side
17,966,804.80x = 139,810,301,376,910.09 - Step 5: Solve for x
x = 139,810,301,376,910.09/17,966,804.80 - Step 6: Final answer
x = 7,781,589.60
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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.