Finding the Fourth Proportional to 21,714,842.07, 29,966,403.40 and 11,925,919.98
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Solution
The fourth proportional to 21,714,842.07, 29,966,403.40 and 11,925,919.98 is: 16,457,726.37
Step by Step Solution
- Step 1: Write the proportion equation
21,714,842.07 : 29,966,403.40 = 11,925,919.98 : x - Step 2: Convert to fraction form
21,714,842.07/29,966,403.40 = 11,925,919.98/x - Step 3: Cross multiply
21,714,842.07x = 29,966,403.40 × 11,925,919.98 - Step 4: Simplify right side
21,714,842.07x = 357,376,929,006,985.12 - Step 5: Solve for x
x = 357,376,929,006,985.12/21,714,842.07 - Step 6: Final answer
x = 16,457,726.37
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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.